Dominant Grey

CSS

:root {
  --dominant-grey: #5a5651;
  --dominant-grey-rgb: 90 86 81;
  --dominant-grey-oklch: oklch(0.455 0.01 73.6);
}

.element {
  color: var(--dominant-grey);
  background-color: hsl(33 5% 34%);
  border-color: oklch(0.455 0.01 73.6);
}

Tailwind CSS v4

@theme {
  --color-dominant-grey: #5a5651;
  --color-dominant-grey-50: #f7f5f2;
  --color-dominant-grey-100: #eae7e4;
  --color-dominant-grey-200: #d7d4d0;
  --color-dominant-grey-300: #bab7b2;
  --color-dominant-grey-400: #a29e98;
  --color-dominant-grey-500: #8a857f;
  --color-dominant-grey-600: #75716c;
  --color-dominant-grey-700: #5d5a56;
  --color-dominant-grey-800: #44423f;
  --color-dominant-grey-900: #2f2d2b;
  --color-dominant-grey-950: #1c1a19;
}

SCSS

$dominant-grey: #5a5651;
$dominant-grey-rgb: 90, 86, 81;
$dominant-grey-light: mix(#fff, $dominant-grey, 20%);
$dominant-grey-dark: mix(#000, $dominant-grey, 20%);

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