#AFCFC2

CSS

:root {
  --misty-morning: #afcfc2;
  --misty-morning-rgb: 175 207 194;
  --misty-morning-oklch: oklch(0.827 0.039 168.9);
}

.element {
  color: var(--misty-morning);
  background-color: hsl(156 25% 75%);
  border-color: oklch(0.827 0.039 168.9);
}

Tailwind CSS v4

@theme {
  --color-misty-morning: #afcfc2;
  --color-misty-morning-50: #ebf9f3;
  --color-misty-morning-100: #dcece6;
  --color-misty-morning-200: #c5dad2;
  --color-misty-morning-300: #a5beb5;
  --color-misty-morning-400: #89a69a;
  --color-misty-morning-500: #6d8f82;
  --color-misty-morning-600: #5d796e;
  --color-misty-morning-700: #4a6158;
  --color-misty-morning-800: #36473f;
  --color-misty-morning-900: #25312c;
  --color-misty-morning-950: #131d19;
}

SCSS

$misty-morning: #afcfc2;
$misty-morning-rgb: 175, 207, 194;
$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);
}