#A7C4BA

CSS

:root {
  --misty-morning: #a7c4ba;
  --misty-morning-rgb: 167 196 186;
  --misty-morning-oklch: oklch(0.796 0.034 172.6);
}

.element {
  color: var(--misty-morning);
  background-color: hsl(159 20% 71%);
  border-color: oklch(0.796 0.034 172.6);
}

Tailwind CSS v4

@theme {
  --color-misty-morning: #a7c4ba;
  --color-misty-morning-50: #ecf9f4;
  --color-misty-morning-100: #ddece7;
  --color-misty-morning-200: #c6d9d3;
  --color-misty-morning-300: #a6bdb6;
  --color-misty-morning-400: #8ba59c;
  --color-misty-morning-500: #6f8e84;
  --color-misty-morning-600: #5f786f;
  --color-misty-morning-700: #4b6059;
  --color-misty-morning-800: #374641;
  --color-misty-morning-900: #25312d;
  --color-misty-morning-950: #141d1a;
}

SCSS

$misty-morning: #a7c4ba;
$misty-morning-rgb: 167, 196, 186;
$misty-morning-light: mix(#fff, $misty-morning, 20%);
$misty-morning-dark: mix(#000, $misty-morning, 20%);

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