#40AC91

CSS

:root {
  --hole-in-one: #40ac91;
  --hole-in-one-rgb: 64 172 145;
  --hole-in-one-oklch: oklch(0.675 0.107 173.4);
}

.element {
  color: var(--hole-in-one);
  background-color: hsl(165 46% 46%);
  border-color: oklch(0.675 0.107 173.4);
}

Tailwind CSS v4

@theme {
  --color-hole-in-one: #40ac91;
  --color-hole-in-one-50: #d7fff4;
  --color-hole-in-one-100: #c4f4e6;
  --color-hole-in-one-200: #a4e4d2;
  --color-hole-in-one-300: #79cab5;
  --color-hole-in-one-400: #50b399;
  --color-hole-in-one-500: #089d80;
  --color-hole-in-one-600: #12846c;
  --color-hole-in-one-700: #106a57;
  --color-hole-in-one-800: #0b4e3e;
  --color-hole-in-one-900: #08362a;
  --color-hole-in-one-950: #002118;
}

SCSS

$hole-in-one: #40ac91;
$hole-in-one-rgb: 64, 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);
}