So Sour

CSS

:root {
  --so-sour: #00ff11;
  --so-sour-rgb: 0 255 17;
  --so-sour-oklch: oklch(0.867 0.293 142.7);
}

.element {
  color: var(--so-sour);
  background-color: hsl(124 100% 50%);
  border-color: oklch(0.867 0.293 142.7);
}

Tailwind CSS v4

@theme {
  --color-so-sour: #00ff11;
  --color-so-sour-50: #c0ffc1;
  --color-so-sour-100: #a8ffa9;
  --color-so-sour-200: #7af480;
  --color-so-sour-300: #2adb46;
  --color-so-sour-400: #00c400;
  --color-so-sour-500: #00ae00;
  --color-so-sour-600: #009300;
  --color-so-sour-700: #007600;
  --color-so-sour-800: #005700;
  --color-so-sour-900: #003d00;
  --color-so-sour-950: #002600;
}

SCSS

$so-sour: #00ff11;
$so-sour-rgb: 0, 255, 17;
$so-sour-light: mix(#fff, $so-sour, 20%);
$so-sour-dark: mix(#000, $so-sour, 20%);

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