#39AC91

CSS

:root {
  --hole-in-one: #39ac91;
  --hole-in-one-rgb: 57 172 145;
  --hole-in-one-oklch: oklch(0.673 0.11 174);
}

.element {
  color: var(--hole-in-one);
  background-color: hsl(166 50% 45%);
  border-color: oklch(0.673 0.11 174);
}

Tailwind CSS v4

@theme {
  --color-hole-in-one: #39ac91;
  --color-hole-in-one-50: #d5fff4;
  --color-hole-in-one-100: #c2f5e6;
  --color-hole-in-one-200: #a2e4d2;
  --color-hole-in-one-300: #76cab5;
  --color-hole-in-one-400: #4bb499;
  --color-hole-in-one-500: #009d81;
  --color-hole-in-one-600: #01856d;
  --color-hole-in-one-700: #056b57;
  --color-hole-in-one-800: #054e3e;
  --color-hole-in-one-900: #05372b;
  --color-hole-in-one-950: #002118;
}

SCSS

$hole-in-one: #39ac91;
$hole-in-one-rgb: 57, 172, 145;
$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);
}