#55A8A5

CSS

:root {
  --twilight-meadow: #55a8a5;
  --twilight-meadow-rgb: 85 168 165;
  --twilight-meadow-oklch: oklch(0.679 0.081 192.3);
}

.element {
  color: var(--twilight-meadow);
  background-color: hsl(178 33% 50%);
  border-color: oklch(0.679 0.081 192.3);
}

Tailwind CSS v4

@theme {
  --color-twilight-meadow: #55a8a5;
  --color-twilight-meadow-50: #dcfdfc;
  --color-twilight-meadow-100: #caf1f0;
  --color-twilight-meadow-200: #ace0de;
  --color-twilight-meadow-300: #85c5c4;
  --color-twilight-meadow-400: #60aeab;
  --color-twilight-meadow-500: #369794;
  --color-twilight-meadow-600: #2f807d;
  --color-twilight-meadow-700: #266664;
  --color-twilight-meadow-800: #1a4b49;
  --color-twilight-meadow-900: #113432;
  --color-twilight-meadow-950: #03201e;
}

SCSS

$twilight-meadow: #55a8a5;
$twilight-meadow-rgb: 85, 168, 165;
$twilight-meadow-light: mix(#fff, $twilight-meadow, 20%);
$twilight-meadow-dark: mix(#000, $twilight-meadow, 20%);

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