#A7CAC0

CSS

:root {
  --misty-morning: #a7cac0;
  --misty-morning-rgb: 167 202 192;
  --misty-morning-oklch: oklch(0.811 0.04 176.1);
}

.element {
  color: var(--misty-morning);
  background-color: hsl(163 25% 72%);
  border-color: oklch(0.811 0.04 176.1);
}

Tailwind CSS v4

@theme {
  --color-misty-morning: #a7cac0;
  --color-misty-morning-50: #eaf9f5;
  --color-misty-morning-100: #dbede8;
  --color-misty-morning-200: #c3dad4;
  --color-misty-morning-300: #a3beb7;
  --color-misty-morning-400: #86a79d;
  --color-misty-morning-500: #6a8f85;
  --color-misty-morning-600: #5a7971;
  --color-misty-morning-700: #48615a;
  --color-misty-morning-800: #344741;
  --color-misty-morning-900: #23312d;
  --color-misty-morning-950: #121d1a;
}

SCSS

$misty-morning: #a7cac0;
$misty-morning-rgb: 167, 202, 192;
$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);
}