Sour Green

CSS

:root {
  --sour-green: #c1e613;
  --sour-green-rgb: 193 230 19;
  --sour-green-oklch: oklch(0.867 0.205 120.8);
}

.element {
  color: var(--sour-green);
  background-color: hsl(71 85% 49%);
  border-color: oklch(0.867 0.205 120.8);
}

Tailwind CSS v4

@theme {
  --color-sour-green: #c1e613;
  --color-sour-green-50: #eaffbe;
  --color-sour-green-100: #dbf4a7;
  --color-sour-green-200: #c4e37c;
  --color-sour-green-300: #a4c840;
  --color-sour-green-400: #8eae00;
  --color-sour-green-500: #759600;
  --color-sour-green-600: #637f00;
  --color-sour-green-700: #4f6600;
  --color-sour-green-800: #3c4a00;
  --color-sour-green-900: #293300;
  --color-sour-green-950: #171f00;
}

SCSS

$sour-green: #c1e613;
$sour-green-rgb: 193, 230, 19;
$sour-green-light: mix(#fff, $sour-green, 20%);
$sour-green-dark: mix(#000, $sour-green, 20%);

.element {
  color: $sour-green;
  box-shadow: 0 0 0 2px rgba($sour-green, 0.35);
}