Placebo Yellow

CSS

:root {
  --placebo-yellow: #fcfbeb;
  --placebo-yellow-rgb: 252 251 235;
  --placebo-yellow-oklch: oklch(0.985 0.021 103.9);
}

.element {
  color: var(--placebo-yellow);
  background-color: hsl(56 74% 95%);
  border-color: oklch(0.985 0.021 103.9);
}

Tailwind CSS v4

@theme {
  --color-placebo-yellow: #fcfbeb;
  --color-placebo-yellow-50: #f6f6ef;
  --color-placebo-yellow-100: #e8e8e0;
  --color-placebo-yellow-200: #d5d5cb;
  --color-placebo-yellow-300: #b8b8ac;
  --color-placebo-yellow-400: #a09f91;
  --color-placebo-yellow-500: #888777;
  --color-placebo-yellow-600: #737265;
  --color-placebo-yellow-700: #5c5b51;
  --color-placebo-yellow-800: #44433a;
  --color-placebo-yellow-900: #2f2e28;
  --color-placebo-yellow-950: #1b1b16;
}

SCSS

$placebo-yellow: #fcfbeb;
$placebo-yellow-rgb: 252, 251, 235;
$placebo-yellow-light: mix(#fff, $placebo-yellow, 20%);
$placebo-yellow-dark: mix(#000, $placebo-yellow, 20%);

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