#E2EDEC

CSS

:root {
  --winter-s-breath: #e2edec;
  --winter-s-breath-rgb: 226 237 236;
  --winter-s-breath-oklch: oklch(0.938 0.012 190.4);
}

.element {
  color: var(--winter-s-breath);
  background-color: hsl(175 23% 91%);
  border-color: oklch(0.938 0.012 190.4);
}

Tailwind CSS v4

@theme {
  --color-winter-s-breath: #e2edec;
  --color-winter-s-breath-50: #f1f6f6;
  --color-winter-s-breath-100: #e4e9e9;
  --color-winter-s-breath-200: #cfd6d5;
  --color-winter-s-breath-300: #b1b9b9;
  --color-winter-s-breath-400: #97a1a0;
  --color-winter-s-breath-500: #7e8988;
  --color-winter-s-breath-600: #6b7473;
  --color-winter-s-breath-700: #555d5c;
  --color-winter-s-breath-800: #3e4443;
  --color-winter-s-breath-900: #2b2f2e;
  --color-winter-s-breath-950: #181b1b;
}

SCSS

$winter-s-breath: #e2edec;
$winter-s-breath-rgb: 226, 237, 236;
$winter-s-breath-light: mix(#fff, $winter-s-breath, 20%);
$winter-s-breath-dark: mix(#000, $winter-s-breath, 20%);

.element {
  color: $winter-s-breath;
  box-shadow: 0 0 0 2px rgba($winter-s-breath, 0.35);
}