#A86157

CSS

:root {
  --dried-tomatoes: #a86157;
  --dried-tomatoes-rgb: 168 97 87;
  --dried-tomatoes-oklch: oklch(0.571 0.094 28.9);
}

.element {
  color: var(--dried-tomatoes);
  background-color: hsl(7 32% 50%);
  border-color: oklch(0.571 0.094 28.9);
}

Tailwind CSS v4

@theme {
  --color-dried-tomatoes: #a86157;
  --color-dried-tomatoes-50: #ffece5;
  --color-dried-tomatoes-100: #ffddd5;
  --color-dried-tomatoes-200: #fac6bc;
  --color-dried-tomatoes-300: #e4a69a;
  --color-dried-tomatoes-400: #d0897e;
  --color-dried-tomatoes-500: #bd6d62;
  --color-dried-tomatoes-600: #9f5c53;
  --color-dried-tomatoes-700: #804a42;
  --color-dried-tomatoes-800: #5f3530;
  --color-dried-tomatoes-900: #432421;
  --color-dried-tomatoes-950: #2b1310;
}

SCSS

$dried-tomatoes: #a86157;
$dried-tomatoes-rgb: 168, 97, 87;
$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);
}