Shuttle Gray
See how #556270 looks when applied to real interface components.
Use lighter tints for backgrounds to maintain readability while keeping brand identity.
:root {
/* Shuttle Gray Base */
--color-primary: #556270;
--color-primary-rgb: 85 98 112;
--color-primary-hsl: 211 14% 39%;
/* Foreground text color based on contrast */
--color-primary-foreground: #ffffff;
/* Shades */
--color-primary-50: #f0f2f4;
--color-primary-100: #d3d9de;
--color-primary-200: #b6bfc8;
--color-primary-300: #99a5b2;
--color-primary-400: #7c8c9c;
--color-primary-500: #637283;
--color-primary-600: #4d5966;
--color-primary-700: #373f49;
--color-primary-800: #21262c;
--color-primary-900: #0b0d0f;
}