#3CAC90

CSS

:root {
  --hole-in-one: #3cac90;
  --hole-in-one-rgb: 60 172 144;
  --hole-in-one-oklch: oklch(0.674 0.109 173.1);
}

.element {
  color: var(--hole-in-one);
  background-color: hsl(165 48% 45%);
  border-color: oklch(0.674 0.109 173.1);
}

Tailwind CSS v4

@theme {
  --color-hole-in-one: #3cac90;
  --color-hole-in-one-50: #d6fff3;
  --color-hole-in-one-100: #c3f4e6;
  --color-hole-in-one-200: #a3e4d2;
  --color-hole-in-one-300: #77cab4;
  --color-hole-in-one-400: #4db398;
  --color-hole-in-one-500: #009d7f;
  --color-hole-in-one-600: #09856c;
  --color-hole-in-one-700: #0a6a56;
  --color-hole-in-one-800: #084e3d;
  --color-hole-in-one-900: #06362a;
  --color-hole-in-one-950: #002118;
}

SCSS

$hole-in-one: #3cac90;
$hole-in-one-rgb: 60, 172, 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);
}