#4FAA95

CSS

:root {
  --hole-in-one: #4faa95;
  --hole-in-one-rgb: 79 170 149;
  --hole-in-one-oklch: oklch(0.676 0.093 176.1);
}

.element {
  color: var(--hole-in-one);
  background-color: hsl(166 37% 49%);
  border-color: oklch(0.676 0.093 176.1);
}

Tailwind CSS v4

@theme {
  --color-hole-in-one: #4faa95;
  --color-hole-in-one-50: #dafef5;
  --color-hole-in-one-100: #c8f3e8;
  --color-hole-in-one-200: #aae2d4;
  --color-hole-in-one-300: #82c7b7;
  --color-hole-in-one-400: #5cb19c;
  --color-hole-in-one-500: #2d9a84;
  --color-hole-in-one-600: #298270;
  --color-hole-in-one-700: #216859;
  --color-hole-in-one-800: #174d40;
  --color-hole-in-one-900: #0f352c;
  --color-hole-in-one-950: #022019;
}

SCSS

$hole-in-one: #4faa95;
$hole-in-one-rgb: 79, 170, 149;
$hole-in-one-light: mix(#fff, $hole-in-one, 20%);
$hole-in-one-dark: mix(#000, $hole-in-one, 20%);

.element {
  color: $hole-in-one;
  box-shadow: 0 0 0 2px rgba($hole-in-one, 0.35);
}