#E7E5EB

CSS

:root {
  --diamond-cut: #e7e5eb;
  --diamond-cut-rgb: 231 229 235;
  --diamond-cut-oklch: oklch(0.925 0.008 301.3);
}

.element {
  color: var(--diamond-cut);
  background-color: hsl(260 13% 91%);
  border-color: oklch(0.925 0.008 301.3);
}

Tailwind CSS v4

@theme {
  --color-diamond-cut: #e7e5eb;
  --color-diamond-cut-50: #f5f4f7;
  --color-diamond-cut-100: #e8e7ea;
  --color-diamond-cut-200: #d5d3d7;
  --color-diamond-cut-300: #b8b6bb;
  --color-diamond-cut-400: #9f9da3;
  --color-diamond-cut-500: #87858b;
  --color-diamond-cut-600: #727075;
  --color-diamond-cut-700: #5b5a5e;
  --color-diamond-cut-800: #434245;
  --color-diamond-cut-900: #2e2d30;
  --color-diamond-cut-950: #1b1a1c;
}

SCSS

$diamond-cut: #e7e5eb;
$diamond-cut-rgb: 231, 229, 235;
$diamond-cut-light: mix(#fff, $diamond-cut, 20%);
$diamond-cut-dark: mix(#000, $diamond-cut, 20%);

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