#AC5F56

CSS

:root {
  --dried-tomatoes: #ac5f56;
  --dried-tomatoes-rgb: 172 95 86;
  --dried-tomatoes-oklch: oklch(0.572 0.102 27.7);
}

.element {
  color: var(--dried-tomatoes);
  background-color: hsl(6 34% 51%);
  border-color: oklch(0.572 0.102 27.7);
}

Tailwind CSS v4

@theme {
  --color-dried-tomatoes: #ac5f56;
  --color-dried-tomatoes-50: #ffebe4;
  --color-dried-tomatoes-100: #ffdcd4;
  --color-dried-tomatoes-200: #fdc5bb;
  --color-dried-tomatoes-300: #e7a499;
  --color-dried-tomatoes-400: #d4877d;
  --color-dried-tomatoes-500: #c06a60;
  --color-dried-tomatoes-600: #a35a52;
  --color-dried-tomatoes-700: #834841;
  --color-dried-tomatoes-800: #613430;
  --color-dried-tomatoes-900: #442320;
  --color-dried-tomatoes-950: #2c1210;
}

SCSS

$dried-tomatoes: #ac5f56;
$dried-tomatoes-rgb: 172, 95, 86;
$dried-tomatoes-light: mix(#fff, $dried-tomatoes, 20%);
$dried-tomatoes-dark: mix(#000, $dried-tomatoes, 20%);

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