#018578

CSS

:root {
  --go-go-green: #018578;
  --go-go-green-rgb: 1 133 120;
  --go-go-green-oklch: oklch(0.554 0.098 183);
}

.element {
  color: var(--go-go-green);
  background-color: hsl(174 99% 26%);
  border-color: oklch(0.554 0.098 183);
}

Tailwind CSS v4

@theme {
  --color-go-go-green: #018578;
  --color-go-go-green-50: #d7fff9;
  --color-go-go-green-100: #c4f3ec;
  --color-go-go-green-200: #a5e3da;
  --color-go-go-green-300: #7ac8be;
  --color-go-go-green-400: #51b1a4;
  --color-go-go-green-500: #0e9b8c;
  --color-go-go-green-600: #148377;
  --color-go-go-green-700: #11695f;
  --color-go-go-green-800: #0b4d44;
  --color-go-go-green-900: #08362f;
  --color-go-go-green-950: #00211c;
}

SCSS

$go-go-green: #018578;
$go-go-green-rgb: 1, 133, 120;
$go-go-green-light: mix(#fff, $go-go-green, 20%);
$go-go-green-dark: mix(#000, $go-go-green, 20%);

.element {
  color: $go-go-green;
  box-shadow: 0 0 0 2px rgba($go-go-green, 0.35);
}