#F7742B

CSS

:root {
  --burning-orange: #f7742b;
  --burning-orange-rgb: 247 116 43;
  --burning-orange-oklch: oklch(0.704 0.18 45.6);
}

.element {
  color: var(--burning-orange);
  background-color: hsl(21 93% 57%);
  border-color: oklch(0.704 0.18 45.6);
}

Tailwind CSS v4

@theme {
  --color-burning-orange: #f7742b;
  --color-burning-orange-50: #ffe6c9;
  --color-burning-orange-100: #ffd6b4;
  --color-burning-orange-200: #ffbc90;
  --color-burning-orange-300: #ff9961;
  --color-burning-orange-400: #f27634;
  --color-burning-orange-500: #e05100;
  --color-burning-orange-600: #bd4600;
  --color-burning-orange-700: #983800;
  --color-burning-orange-800: #722600;
  --color-burning-orange-900: #511a00;
  --color-burning-orange-950: #350900;
}

SCSS

$burning-orange: #f7742b;
$burning-orange-rgb: 247, 116, 43;
$burning-orange-light: mix(#fff, $burning-orange, 20%);
$burning-orange-dark: mix(#000, $burning-orange, 20%);

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