CSS Text color difference based on background

— 3 minute read

Traditional CSS is quite lame; it only allows us to set 1 color for the text. But seeing we create more and more floating and fixed elements, we might want to have a dynamic text-color.

How to create a difference based text color in CSS permalink

Let's start by marking up the html:

<div class="text-container">

Then we want to include two random backgrounds for the sections, let's do that.

section {
width: 100vw;
height: 100vh;
background: #000;
background: #fff;

And make sure the text div is floating on top of everything!

.text-container {
position: fixed;
width: 100vw;
height: 100vh;
display: flex;
justify-content: center;
align-items: center;
color: #fff;
mix-blend-mode: difference;
font-size: 150px;

As you can we we included mix-blend-mode: difference; this makes the color blend in difference based on whatever the background is.

Awesome right?! 🤩

This also works on images/videos and what not!

See a demo here:

See the Pen CSS Text color difference based on background by Chris Bongers (@rebelchris) on CodePen.

Browser support permalink

Unfortunately not supported by IE, but still overall good support! I use this option a lot to make just that small difference!

CSS Mix-blend-mode browser support

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