Streamlined Grey

CSS

:root {
  --streamlined-grey: #b9bac0;
  --streamlined-grey-rgb: 185 186 192;
  --streamlined-grey-oklch: oklch(0.79 0.008 278.6);
}

.element {
  color: var(--streamlined-grey);
  background-color: hsl(231 5% 74%);
  border-color: oklch(0.79 0.008 278.6);
}

Tailwind CSS v4

@theme {
  --color-streamlined-grey: #b9bac0;
  --color-streamlined-grey-50: #f4f5f7;
  --color-streamlined-grey-100: #e7e7eb;
  --color-streamlined-grey-200: #d3d4d8;
  --color-streamlined-grey-300: #b6b7bc;
  --color-streamlined-grey-400: #9d9ea3;
  --color-streamlined-grey-500: #85868c;
  --color-streamlined-grey-600: #707176;
  --color-streamlined-grey-700: #5a5a5f;
  --color-streamlined-grey-800: #414245;
  --color-streamlined-grey-900: #2d2e30;
  --color-streamlined-grey-950: #1a1a1c;
}

SCSS

$streamlined-grey: #b9bac0;
$streamlined-grey-rgb: 185, 186, 192;
$streamlined-grey-light: mix(#fff, $streamlined-grey, 20%);
$streamlined-grey-dark: mix(#000, $streamlined-grey, 20%);

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