#56AA90

CSS

:root {
  --hole-in-one: #56aa90;
  --hole-in-one-rgb: 86 170 144;
  --hole-in-one-oklch: oklch(0.678 0.092 171);
}

.element {
  color: var(--hole-in-one);
  background-color: hsl(161 33% 50%);
  border-color: oklch(0.678 0.092 171);
}

Tailwind CSS v4

@theme {
  --color-hole-in-one: #56aa90;
  --color-hole-in-one-50: #dcfef3;
  --color-hole-in-one-100: #caf2e5;
  --color-hole-in-one-200: #ade2d0;
  --color-hole-in-one-300: #85c7b3;
  --color-hole-in-one-400: #62b097;
  --color-hole-in-one-500: #389a7e;
  --color-hole-in-one-600: #31826b;
  --color-hole-in-one-700: #276855;
  --color-hole-in-one-800: #1c4c3d;
  --color-hole-in-one-900: #12352a;
  --color-hole-in-one-950: #042017;
}

SCSS

$hole-in-one: #56aa90;
$hole-in-one-rgb: 86, 170, 144;
$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);
}