Cool Yellow

CSS

:root {
  --cool-yellow: #eaefce;
  --cool-yellow-rgb: 234 239 206;
  --cool-yellow-oklch: oklch(0.94 0.044 114.2);
}

.element {
  color: var(--cool-yellow);
  background-color: hsl(69 51% 87%);
  border-color: oklch(0.94 0.044 114.2);
}

Tailwind CSS v4

@theme {
  --color-cool-yellow: #eaefce;
  --color-cool-yellow-50: #f4f7e9;
  --color-cool-yellow-100: #e7eada;
  --color-cool-yellow-200: #d3d7c2;
  --color-cool-yellow-300: #b6bba2;
  --color-cool-yellow-400: #9da284;
  --color-cool-yellow-500: #858a69;
  --color-cool-yellow-600: #717559;
  --color-cool-yellow-700: #5a5d47;
  --color-cool-yellow-800: #424433;
  --color-cool-yellow-900: #2e2f22;
  --color-cool-yellow-950: #1b1c12;
}

SCSS

$cool-yellow: #eaefce;
$cool-yellow-rgb: 234, 239, 206;
$cool-yellow-light: mix(#fff, $cool-yellow, 20%);
$cool-yellow-dark: mix(#000, $cool-yellow, 20%);

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