<div class="origin-color">
<code>darkred</code>
</div>
<div class="relative-color">
<code>oklch(from darkred calc(l + 60) c h)</code>
</div>
@layer demo {
.relative-color {
background: oklch(from darkred calc(l + 60) c h);
}
.origin-color {
background: darkred;
color: oklch(from darkred calc(l + 60) c h);
}
}
@layer demo.support {
* {
box-sizing: border-box;
margin: 0;
}
html {
block-size: 100%;
}
body {
min-block-size: 100%;
font-family: system-ui, sans-serif;
display: grid;
& > div {
display: grid;
place-content: center;
font-size: clamp(1.25rem, 3vw, 3vw);
}
}
.origin-color {
color: white;
}
.relative-color {
color: black;
& > code {
background: white;
padding: 1ch 2ch;
border-radius: 100px;
}
}
}
This Pen doesn't use any external JavaScript resources.