Highlighter

CSS

:root {
  --highlighter: #ffe536;
  --highlighter-rgb: 255 229 54;
  --highlighter-oklch: oklch(0.916 0.178 100.2);
}

.element {
  color: var(--highlighter);
  background-color: hsl(52 100% 61%);
  border-color: oklch(0.916 0.178 100.2);
}

Tailwind CSS v4

@theme {
  --color-highlighter: #ffe536;
  --color-highlighter-50: #fff8bd;
  --color-highlighter-100: #f3eba5;
  --color-highlighter-200: #e3d77a;
  --color-highlighter-300: #caba3c;
  --color-highlighter-400: #b79f00;
  --color-highlighter-500: #a38500;
  --color-highlighter-600: #897100;
  --color-highlighter-700: #6e5a00;
  --color-highlighter-800: #534100;
  --color-highlighter-900: #3a2d00;
  --color-highlighter-950: #241900;
}

SCSS

$highlighter: #ffe536;
$highlighter-rgb: 255, 229, 54;
$highlighter-light: mix(#fff, $highlighter, 20%);
$highlighter-dark: mix(#000, $highlighter, 20%);

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