#A96153

CSS

:root {
  --dried-tomatoes: #a96153;
  --dried-tomatoes-rgb: 169 97 83;
  --dried-tomatoes-oklch: oklch(0.571 0.097 31.9);
}

.element {
  color: var(--dried-tomatoes);
  background-color: hsl(10 34% 49%);
  border-color: oklch(0.571 0.097 31.9);
}

Tailwind CSS v4

@theme {
  --color-dried-tomatoes: #a96153;
  --color-dried-tomatoes-50: #ffece3;
  --color-dried-tomatoes-100: #ffddd3;
  --color-dried-tomatoes-200: #fbc6b9;
  --color-dried-tomatoes-300: #e4a697;
  --color-dried-tomatoes-400: #d1897a;
  --color-dried-tomatoes-500: #bd6d5d;
  --color-dried-tomatoes-600: #a05c4f;
  --color-dried-tomatoes-700: #814a3f;
  --color-dried-tomatoes-800: #5f352e;
  --color-dried-tomatoes-900: #43241f;
  --color-dried-tomatoes-950: #2b130f;
}

SCSS

$dried-tomatoes: #a96153;
$dried-tomatoes-rgb: 169, 97, 83;
$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);
}