Highlighter Yellow

CSS

:root {
  --highlighter-yellow: #f1e740;
  --highlighter-yellow-rgb: 241 231 64;
  --highlighter-yellow-oklch: oklch(0.909 0.176 105.9);
}

.element {
  color: var(--highlighter-yellow);
  background-color: hsl(57 86% 60%);
  border-color: oklch(0.909 0.176 105.9);
}

Tailwind CSS v4

@theme {
  --color-highlighter-yellow: #f1e740;
  --color-highlighter-yellow-50: #f9fabf;
  --color-highlighter-yellow-100: #ededa8;
  --color-highlighter-yellow-200: #dbda7f;
  --color-highlighter-yellow-300: #c1be45;
  --color-highlighter-yellow-400: #ada300;
  --color-highlighter-yellow-500: #988a00;
  --color-highlighter-yellow-600: #807500;
  --color-highlighter-yellow-700: #675d00;
  --color-highlighter-yellow-800: #4d4300;
  --color-highlighter-yellow-900: #362f00;
  --color-highlighter-yellow-950: #211b00;
}

SCSS

$highlighter-yellow: #f1e740;
$highlighter-yellow-rgb: 241, 231, 64;
$highlighter-yellow-light: mix(#fff, $highlighter-yellow, 20%);
$highlighter-yellow-dark: mix(#000, $highlighter-yellow, 20%);

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