#EFDFCE

CSS

:root {
  --whisper-of-white: #efdfce;
  --whisper-of-white-rgb: 239 223 206;
  --whisper-of-white-oklch: oklch(0.912 0.029 69.1);
}

.element {
  color: var(--whisper-of-white);
  background-color: hsl(31 51% 87%);
  border-color: oklch(0.912 0.029 69.1);
}

Tailwind CSS v4

@theme {
  --color-whisper-of-white: #efdfce;
  --color-whisper-of-white-50: #fbf4ec;
  --color-whisper-of-white-100: #eee6de;
  --color-whisper-of-white-200: #dcd2c7;
  --color-whisper-of-white-300: #c1b5a8;
  --color-whisper-of-white-400: #aa9c8d;
  --color-whisper-of-white-500: #938372;
  --color-whisper-of-white-600: #7c6f61;
  --color-whisper-of-white-700: #64594d;
  --color-whisper-of-white-800: #494138;
  --color-whisper-of-white-900: #332d26;
  --color-whisper-of-white-950: #1f1a15;
}

SCSS

$whisper-of-white: #efdfce;
$whisper-of-white-rgb: 239, 223, 206;
$whisper-of-white-light: mix(#fff, $whisper-of-white, 20%);
$whisper-of-white-dark: mix(#000, $whisper-of-white, 20%);

.element {
  color: $whisper-of-white;
  box-shadow: 0 0 0 2px rgba($whisper-of-white, 0.35);
}