#A86154

CSS

:root {
  --dried-tomatoes: #a86154;
  --dried-tomatoes-rgb: 168 97 84;
  --dried-tomatoes-oklch: oklch(0.57 0.095 31.3);
}

.element {
  color: var(--dried-tomatoes);
  background-color: hsl(9 33% 49%);
  border-color: oklch(0.57 0.095 31.3);
}

Tailwind CSS v4

@theme {
  --color-dried-tomatoes: #a86154;
  --color-dried-tomatoes-50: #ffece4;
  --color-dried-tomatoes-100: #ffddd4;
  --color-dried-tomatoes-200: #fac6ba;
  --color-dried-tomatoes-300: #e4a698;
  --color-dried-tomatoes-400: #d1897c;
  --color-dried-tomatoes-500: #bd6d5e;
  --color-dried-tomatoes-600: #9f5d50;
  --color-dried-tomatoes-700: #804a40;
  --color-dried-tomatoes-800: #5f352f;
  --color-dried-tomatoes-900: #432420;
  --color-dried-tomatoes-950: #2b130f;
}

SCSS

$dried-tomatoes: #a86154;
$dried-tomatoes-rgb: 168, 97, 84;
$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);
}