Diminished Sky

CSS

:root {
  --diminished-sky: #d3f2ed;
  --diminished-sky-rgb: 211 242 237;
  --diminished-sky-oklch: oklch(0.937 0.033 184.9);
}

.element {
  color: var(--diminished-sky);
  background-color: hsl(170 54% 89%);
  border-color: oklch(0.937 0.033 184.9);
}

Tailwind CSS v4

@theme {
  --color-diminished-sky: #d3f2ed;
  --color-diminished-sky-50: #ebf8f7;
  --color-diminished-sky-100: #dcecea;
  --color-diminished-sky-200: #c5d9d6;
  --color-diminished-sky-300: #a5bdba;
  --color-diminished-sky-400: #89a5a1;
  --color-diminished-sky-500: #6e8e89;
  --color-diminished-sky-600: #5d7874;
  --color-diminished-sky-700: #4a605d;
  --color-diminished-sky-800: #364643;
  --color-diminished-sky-900: #25312e;
  --color-diminished-sky-950: #131d1b;
}

SCSS

$diminished-sky: #d3f2ed;
$diminished-sky-rgb: 211, 242, 237;
$diminished-sky-light: mix(#fff, $diminished-sky, 20%);
$diminished-sky-dark: mix(#000, $diminished-sky, 20%);

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