End of the Rainbow

CSS

:root {
  --end-of-the-rainbow: #d2eed6;
  --end-of-the-rainbow-rgb: 210 238 214;
  --end-of-the-rainbow-oklch: oklch(0.922 0.044 149.4);
}

.element {
  color: var(--end-of-the-rainbow);
  background-color: hsl(129 45% 88%);
  border-color: oklch(0.922 0.044 149.4);
}

Tailwind CSS v4

@theme {
  --color-end-of-the-rainbow: #d2eed6;
  --color-end-of-the-rainbow-50: #edf9ef;
  --color-end-of-the-rainbow-100: #deece1;
  --color-end-of-the-rainbow-200: #c7dacb;
  --color-end-of-the-rainbow-300: #a8beac;
  --color-end-of-the-rainbow-400: #8da691;
  --color-end-of-the-rainbow-500: #728f77;
  --color-end-of-the-rainbow-600: #617965;
  --color-end-of-the-rainbow-700: #4d6150;
  --color-end-of-the-rainbow-800: #39473a;
  --color-end-of-the-rainbow-900: #273128;
  --color-end-of-the-rainbow-950: #151d16;
}

SCSS

$end-of-the-rainbow: #d2eed6;
$end-of-the-rainbow-rgb: 210, 238, 214;
$end-of-the-rainbow-light: mix(#fff, $end-of-the-rainbow, 20%);
$end-of-the-rainbow-dark: mix(#000, $end-of-the-rainbow, 20%);

.element {
  color: $end-of-the-rainbow;
  box-shadow: 0 0 0 2px rgba($end-of-the-rainbow, 0.35);
}