My Place or Yours

CSS

:root {
  --my-place-or-yours: #4f434e;
  --my-place-or-yours-rgb: 79 67 78;
  --my-place-or-yours-oklch: oklch(0.399 0.024 328.7);
}

.element {
  color: var(--my-place-or-yours);
  background-color: hsl(305 8% 29%);
  border-color: oklch(0.399 0.024 328.7);
}

Tailwind CSS v4

@theme {
  --color-my-place-or-yours: #4f434e;
  --color-my-place-or-yours-50: #f9f3f8;
  --color-my-place-or-yours-100: #ede5ec;
  --color-my-place-or-yours-200: #dbd1d9;
  --color-my-place-or-yours-300: #bfb3bd;
  --color-my-place-or-yours-400: #a79aa6;
  --color-my-place-or-yours-500: #90818e;
  --color-my-place-or-yours-600: #796d78;
  --color-my-place-or-yours-700: #615760;
  --color-my-place-or-yours-800: #474047;
  --color-my-place-or-yours-900: #312c31;
  --color-my-place-or-yours-950: #1d191d;
}

SCSS

$my-place-or-yours: #4f434e;
$my-place-or-yours-rgb: 79, 67, 78;
$my-place-or-yours-light: mix(#fff, $my-place-or-yours, 20%);
$my-place-or-yours-dark: mix(#000, $my-place-or-yours, 20%);

.element {
  color: $my-place-or-yours;
  box-shadow: 0 0 0 2px rgba($my-place-or-yours, 0.35);
}