Pratique du Shadowing: Build smarter color systems with relative colors - Apprendre l'anglais à l'oral avec la vidéo
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168 phrases
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Hi there my friend and friend.
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If you're maintaining separate variables for lighter, darker, and transparent versions of the same color, there's a much better way to work because of CSS relative colors
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that let us generate all of these variations based on a single value.
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Let's dive in and see how this works.
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I got a demo set up for us right here.
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And we can take a look.
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So you can see I have some variables set up and I have some, I'm using toast notifications for this
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because I think it's a nice example of something where we can have multiple variations of this as well
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and we can look at how we're saving a lot of time.
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So the very first thing I'm going to do is let's come in
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and sort of style the generic one and then we'll sort of fancy things up from there.
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And really quickly there, I just made the font size bigger because I think it'd look better for our demo.
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So here, let's set things up.
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I'm going to come in and we're just going to come in on this to start with and do a, I call it toast color and put a color here.
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And I'm going to use the base color for now.
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So we're going to say it's our var of base color.
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And this is going to help us a little bit out, just base like that.
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This will help us out a little bit later on.
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This could be a step that we do later.
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It could even be a step that you skip
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if this is something that you're only doing one thing of
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and you don't need a bunch of variations like we're going to have here.
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Now, next step, I'm going to do something
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that looks a little bit weird because I'm going to say we're going to color.
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I'm going to do an HSL from, and this is relative colors.
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And I'll explain the syntax of this as we write it out.
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I'm going to say var toast color.
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And then I'm going to HSL.
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and nothing really should change actually and I need a semicolon at the end
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and as you can see nothing really much has changed
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but what we're saying is the color is an HSL value
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that is coming from the toast color and this H
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and S and L are just placeholders for the hue saturation
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and lightness and we'll see why that's important in a minute just
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so we can see quickly that this is working
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if I change this over to my info we're going to see
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that the color of the text and the border has changed on all of them.
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The reason the border color is currently changing is because my border is set to two pixels solid, I haven't declared a color, and borders by default will follow the color of the text.
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But for now I'm going to keep this one as my base
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and we'll come in with the modifications for the other ones as we go through.
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Now where this gets a little bit more useful is let's come in with a background color.
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So background color, I'm going to put this on a different line just
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so we can keep it all without any horizontal scrolling.
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I'm going to say HSL from, same thing, my var of toast, you gotta spell toast right,
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toast color, and space, H space S space L, except this time if I do that I can't read my text.
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But I want it to always be based on the color of the text.
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I can just come here and actually change the lightness value.
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So I can actually say this is at like 15%, except that's going to be really dark.
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I meant to say something like 85% and go the other way around.
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And we can have the exact same color, but 85%.
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And maybe even we can come up to a 90 here, something like that.
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But we're getting that a little bit of that same color coming in in the background now.
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And this is cool, right?
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We're just replacing whatever the lightness was with it being 90% now in our HSL.
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And just for fun, we can also take this to another level
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and we can add like a box shadow here as well.
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So I'm going to actually move, we'll do the box shadow here, box shadow.
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And again, I'll do this on two lines just so we can see the entire declaration.
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And let's come in with zero offset, maybe 12 pixels, 12 pixels.
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I'm going to leave it big for now.
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Like it really is standing out obviously, but then we can come in with, and this is another really cool thing with our relative colors.
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So HSL from var toast color and my H, my S, my L, except in this case, it's really dark and I go,
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oh man, I need a shadow, but I want to lower the opacity of it.
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We can do that with relative colors, which is amazing.
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So I just do a forward slash here because this is the way the space separated syntax works in CSS.
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If you'd like to learn more about that, I talked about it last week.
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I'll put a link in the description
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and there might be a card popping up you can check
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that one out and I'll remind you at the end
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but I can just come here and say something like 0.25
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or whatever I want for the lower opacity of that same color
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and you can see that's working I want to make this a bit more subtle
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so I'm also going to give it a spread of negative
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eight just to pull it in a little bit just give
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us a little subtle shadow underneath each one of those cards
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or toasts or whatever we want to call them awesome
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so that's all working now this is where the other cool
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thing comes in here is I have my info my warning and my error here.
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And I'm just doing these with data attributes because this would be the easiest way to do it with JavaScript.
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Especially if you're, you know, instead of using a class here, I think it makes a lot more sense to do it with a data attribute because if you're setting it with JavaScript, you just set it.
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You don't have to worry about removing the info to put a warning or, you know, you just say if it's this one, the text is going to be coming in probably from JavaScript as well.
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The whole thing's going to be triggered with JavaScript and you just do the data, what toast is equal to, and you style it that way.
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So let's come down here
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and we'll start with the first one where we can say the data toast is equal to info.
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And because I was set this up with a custom property of toast color, we can just come here and say in this case, my toast color is my, did I call it info?
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Yeah, I did.
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Look at that.
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There we go.
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So my info comes in.
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Now there's a bit of a problem here.
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We're gonna solve that in a second, but let's come in with all three of them.
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So that's my info.
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And the last one will be, so info, I forget what I called them, warning and error.
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So these two, that's a warning.
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And then I can come on this one and say those are error.
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And all the colors are coming in.
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It's looking pretty cool that we can do all of this with a single color and everything is adapting automatically.
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There's
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So one problem that's coming in is like the text might
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be a little bit hard to read depending on what color you're using.
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Especially like, I don't know, I guess this one's okay, but we could definitely make it better.
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So what I'm going to do is come back up to where we declared all of this.
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And over here I want this color to actually always be dark no matter what value I'm using.
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So maybe I come in with a 20% here for the lightness on the color and then it's going to be, you know, based on the red or based on that orange yellow,
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but I know it's always going to be darker.
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my borders have sort of gotten darker too, but we just do the same thing for the border where I never actually declared one.
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I'm just going to copy and paste to speed things up, and this one will just use the original HSL.
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And I guess I could, if you're not changing the value, you could just do the Vartos color and not worry about it,
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and that would work, but this just opens up some extra doors I think.
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So we have the border color always coming in with sort of the more bright, vibrant version
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and then the text we can darken maybe 20 is a
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bit low we could try like a 35 you can play with the number
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that you want on that to just make sure
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that it's always something that's decently readable but we can do better
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and before i let you know how we can do better i just want to let you know
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that this video is inspired by an article or two articles actually
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that i wrote for picolily and
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so i'm going to link to both of those down below
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they're the pragmatic guide to modern colors discolors in css i
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think is what we called it uh there's two articles in
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there the first one is really for people who are copying
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pasting colors the second one is going a little bit further
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and diving into a lot more of the manipulations and other things
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that you can do
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and just you know we're talking about pick a lily people
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have been asking me for javascript content for a long time
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they do have a relatively new course called javascript for everyone and so
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if you're somebody who's looking to learn more about javascript i definitely would recommend going to check it out
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and no this is not a sponsored bit i just like spreading the word on good quality content
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that is out there so check out the course check out those articles
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if you're interested but now let's look at the other improvement
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that we can make to this which is
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while i have all of these set up using hsl rgb
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hex you know your copy pasting from your design software whatever it is
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and you're setting these here
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when using relative colors you can often get a little bit of a better result by using oklch
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and oklch is a newer it's like it's like came around more recently.
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But the difference between HSL and OKLCH is as you go through the different hues, it works in a much more consistent way.
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So what I mean by that really quickly is looking at this demo, I've set these both up with OKLCH and HSL.
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And if I go through the different hues, as you get to here, you can see like this text becomes harder to read.
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And it really depends on the color that we're using.
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When you get to yellows, visually it gets a lot brighter, even though the saturation and the lightness values have stayed the same.
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And the whole point of the OK LCH in general is to keep
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that consistency as you're going through the different hues in terms of the perception of the brightness of the colors.
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And so here's an example of looking at the differences between using, I've set these up exactly the same way, I just took away the gray one.
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but you have the base toast color coming in and I've set them all up with OK LCH here instead.
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The border I just set with the base color, like I said, we could do if it's staying the same.
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But one thing you'll notice here, there's two important things is if I'm doing OK LCH on the outside here, I do need to use the LCH values.
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So LCH instead of an HSL and the lightness being the first one now.
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and I've done a little bit of extra math in here
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for the background color to change the chroma a little bit
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but you can see there's a little bit more consistency between the colors coming in
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when I'm using the OKLCH versus using the HSL here with
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the the border color is perceptually looks similar the vibrancy of
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the color of the background looks much more similar whereas here
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like the difference in the border color especially I find with
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this one coming through the border looks much more faded out compared to the blue
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which one is popping so much more
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when I'm using the HSL it's not something
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that a lot of users are going to notice
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but by using OKLCH even though my base color is set to an HSL
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or whatever you know hex or RGB it doesn't really matter by using the OKLCH throughout
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and having my toast colors all set through an OKLCH rather than using an HSL and modifying it that way,
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you just get a little bit more consistency between the different colors that are being generated for you.
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So if you enjoyed this video, if you do want a bit of a primer on the space separated syntax, like I mentioned, that video should be showing up on the screen somewhere right now.
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And also if you want to dive deeper into all of this, do go and check out those two Piccadilly articles and maybe their courses as well.
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And with that, I would like to thank my enabler of awesome, Johnny, as well as all my other patrons and channel members for their monthly support.
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And of course, until next time, don't forget to make your corner of the internet just a little bit more awesome.
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Vocabulaire et conseils d’expression pour cette leçon
Cette leçon d’expression orale de niveau C1 s’appuie sur la vidéo « Build smarter color systems with relative colors ». Les mots qui reviennent le plus souvent : color, hsl, toast, border. Cette vidéo contient 168 phrases et 2375 mots à répéter en shadowing. La partie parlée dure 10:41. Le locuteur parle vite, environ 222 mots par minute : attendez-vous à des liaisons et à des sons réduits. 85 % des mots font partie des 3 000 mots les plus courants en anglais ; le reste mérite d’être vu avant de commencer.
Vocabulaire clé de cette vidéo
Les 15 mots les plus avancés de la vidéo, avec leur prononciation et leur sens :
| Mot | Prononciation | Sens |
|---|---|---|
| toast nom | /toʊst/ | pain grillé, toast |
| lightness nom | /ˈlaɪtnəs/ | légèreté |
| hue nom | /hju/ | teinte, nuance |
| syntax nom | /ˈsɪn.tæks/ | syntaxe |
| pixel nom | /ˈpɪk.səl/ | pixel |
| declare verbe | /dɪˈklɛɚ/ | déclarer |
| demo nom | /ˈdɛm.oʊ/ | démo, démonstration |
| variation nom | /ˌvɛəɹiˈeɪʃn̩/ | variation |
| opacity nom | /oʊˈpæsɪti/ | opacité |
| saturation nom | saturation | |
| attribute nom | /ˈæt.ɹɪˌbjut/ | attribut |
| paste nom | /peɪst/ | pâte |
| darken verbe | /ˈdɑɹkən/ | obscurcir, assombrir |
| enabler nom | facilitateur | |
| placeholder nom | /ˈpleɪsˌhoʊldɚ/ | marque substitutive, substitut |
Les verbes à particule que vous entendrez
| Mot | Prononciation | Sens |
|---|---|---|
| go through verbe | traverser | |
| check out verbe | mater, regarder | |
| set up verbe | /ˌsɛt ˈʌp/ | mettre en place, installer |
| come down verbe | descendre, tomber | |
| open up verbe | ouvrir | |
| pop up verbe | se pointer | |
| take away verbe | /ˌteɪk əˈweɪ/ | retirer |
Des phrases à répéter
Des phrases courtes et complètes de la vidéo, à réutiliser dans la conversation de tous les jours :
- Let's dive in and see how this works.
- I'm going to say var toast color.
- I'm going to leave it big for now.
La grammaire de cette vidéo
Les structures que le locuteur utilise le plus, avec les mots exacts de la vidéo :
| Structure | Dans la vidéo |
|---|---|
| Voix passive be + participe passé — l’accent est mis sur ce qui arrive, pas sur qui le fait | is let · is set · be based |
| Present perfect have/has + participe passé — une action passée qui compte encore maintenant | has changed · haven't declared · I've set |
| Propositions relatives who / which + proposition — une précision sur une personne ou une chose | colors, which is · people who are · this which is |
Prononciation à surveiller
Le locuteur utilise 71 contractions et formes réduites, comme I'm, we're, you're. Prononcez-les sous leur forme courte, telles que vous les entendez.
- Les sons « sh » et « zh »: variation /ˌvɛəɹiˈeɪʃn̩/, modification /ˌmɑdɪfɪˈkeɪʃən/, manipulation /məˌnɪp.juˈleɪ.ʃən/, notification /ˌnoʊtɪfɪˈkeɪʃn̩/
- Mots longs — placez bien l’accent: consistency /kənˈsɪs.tən.si/, opacity /oʊˈpæsɪti/, semicolon /ˈsɛmikoʊlən/, visually /ˈvɪzju.əli/, modification /ˌmɑdɪfɪˈkeɪʃən/
Comment s’entraîner avec cette vidéo
- Écoutez la vidéo en entier une fois sans parler et notez les mots que vous ne connaissez pas.
- Commencez à la vitesse 0,75×, répétez phrase par phrase, puis revenez à la vitesse normale quand cela devient facile.
- Enregistrez-vous et comparez avec l’original, en faisant attention à des mots comme toast, lightness, hue.
Qu'est-ce que la technique du Shadowing ?
Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.