#006E7C

CSS

:root {
  --teal-with-it: #006e7c;
  --teal-with-it-rgb: 0 110 124;
  --teal-with-it-oklch: oklch(0.493 0.085 210.1);
}

.element {
  color: var(--teal-with-it);
  background-color: hsl(187 100% 24%);
  border-color: oklch(0.493 0.085 210.1);
}

Tailwind CSS v4

@theme {
  --color-teal-with-it: #006e7c;
  --color-teal-with-it-50: #dafcff;
  --color-teal-with-it-100: #c8f0f9;
  --color-teal-with-it-200: #abdfea;
  --color-teal-with-it-300: #83c4d1;
  --color-teal-with-it-400: #5cacba;
  --color-teal-with-it-500: #2e95a5;
  --color-teal-with-it-600: #2a7e8c;
  --color-teal-with-it-700: #216570;
  --color-teal-with-it-800: #164a52;
  --color-teal-with-it-900: #0e3439;
  --color-teal-with-it-950: #011f23;
}

SCSS

$teal-with-it: #006e7c;
$teal-with-it-rgb: 0, 110, 124;
$teal-with-it-light: mix(#fff, $teal-with-it, 20%);
$teal-with-it-dark: mix(#000, $teal-with-it, 20%);

.element {
  color: $teal-with-it;
  box-shadow: 0 0 0 2px rgba($teal-with-it, 0.35);
}