Here Comes the Sun

CSS

:root {
  --here-comes-the-sun: #fcdf63;
  --here-comes-the-sun-rgb: 252 223 99;
  --here-comes-the-sun-oklch: oklch(0.905 0.145 96.2);
}

.element {
  color: var(--here-comes-the-sun);
  background-color: hsl(49 96% 69%);
  border-color: oklch(0.905 0.145 96.2);
}

Tailwind CSS v4

@theme {
  --color-here-comes-the-sun: #fcdf63;
  --color-here-comes-the-sun-50: #fff6c7;
  --color-here-comes-the-sun-100: #f4e9b1;
  --color-here-comes-the-sun-200: #e4d58c;
  --color-here-comes-the-sun-300: #cbb85b;
  --color-here-comes-the-sun-400: #b89d1a;
  --color-here-comes-the-sun-500: #a38300;
  --color-here-comes-the-sun-600: #8a6f00;
  --color-here-comes-the-sun-700: #6e5900;
  --color-here-comes-the-sun-800: #534000;
  --color-here-comes-the-sun-900: #3a2c00;
  --color-here-comes-the-sun-950: #241900;
}

SCSS

$here-comes-the-sun: #fcdf63;
$here-comes-the-sun-rgb: 252, 223, 99;
$here-comes-the-sun-light: mix(#fff, $here-comes-the-sun, 20%);
$here-comes-the-sun-dark: mix(#000, $here-comes-the-sun, 20%);

.element {
  color: $here-comes-the-sun;
  box-shadow: 0 0 0 2px rgba($here-comes-the-sun, 0.35);
}