#D2F1F0

CSS

:root {
  --mint-chip: #d2f1f0;
  --mint-chip-rgb: 210 241 240;
  --mint-chip-oklch: oklch(0.936 0.032 194.2);
}

.element {
  color: var(--mint-chip);
  background-color: hsl(178 53% 88%);
  border-color: oklch(0.936 0.032 194.2);
}

Tailwind CSS v4

@theme {
  --color-mint-chip: #d2f1f0;
  --color-mint-chip-50: #ebf8f8;
  --color-mint-chip-100: #dcebeb;
  --color-mint-chip-200: #c5d9d9;
  --color-mint-chip-300: #a5bdbd;
  --color-mint-chip-400: #89a5a4;
  --color-mint-chip-500: #6e8d8c;
  --color-mint-chip-600: #5d7877;
  --color-mint-chip-700: #4a605f;
  --color-mint-chip-800: #364645;
  --color-mint-chip-900: #253130;
  --color-mint-chip-950: #131d1c;
}

SCSS

$mint-chip: #d2f1f0;
$mint-chip-rgb: 210, 241, 240;
$mint-chip-light: mix(#fff, $mint-chip, 20%);
$mint-chip-dark: mix(#000, $mint-chip, 20%);

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