What is a color design system?

A color design system is a comprehensive set of colors used consistently across a product. It typically includes color scales (e.g. 50-950) for primary and secondary colors, semantic colors for statuses (success, warning, error, info), and specific UI tokens for backgrounds, surfaces, text, and borders.

How are the UI tokens generated?

The UI tokens are generated by taking the base primary color and mixing it with pure white or black at specific opacities. This creates subtle tints and shades that give your UI a cohesive, branded feel rather than using stark grays.

Can I use the generated CSS with Tailwind?

Yes! You can select the Tailwind output format to generate a Tailwind v4 compatible @theme block containing your color scales and tokens, or use the CSS Variables output for custom configuration.

Design System Generator

Generate complete color scales, semantic colors, and UI tokens from your base colors. Build a cohesive color system for your next project.

Base Colors

Primary *

Secondary (Optional)

Accent (Optional)

Design System Preview

Primary Scale

50#DEEAFE

100#BED5FC

200#9DC1FB

300#7CACF9

400#5C97F8

500#3b82f6

600#316CCD

700#2757A4

800#1E417B

900#142B52

950#0A1629

Secondary Scale

50#ECE4FE

100#D8C9FC

200#C5AEFB

300#B292F9

400#9E77F8

500#8b5cf6

600#744DCD

700#5D3DA4

800#462E7B

900#2E1F52

950#170F29

Accent Scale

50#FDEFD6

100#FCDFAE

200#FACF85

300#F8BE5C

400#F7AE34

500#f59e0b

600#CC8409

700#A36907

800#7B4F06

900#523504

950#291A02

Semantic Colors

success#16a34a

warning#ea580c

error#dc2626

info#2563eb

UI Tokens

background#ffffff

surface#FBFDFF

elevated#ffffff

border#E2ECFE

text#0C1A31

muted#204887

disabled#D8E6FD

focus#3b82f6

:root {
  --color-primary-50: #DEEAFE;
  --color-primary-100: #BED5FC;
  --color-primary-200: #9DC1FB;
  --color-primary-300: #7CACF9;
  --color-primary-400: #5C97F8;
  --color-primary-500: #3b82f6;
  --color-primary-600: #316CCD;
  --color-primary-700: #2757A4;
  --color-primary-800: #1E417B;
  --color-primary-900: #142B52;
  --color-primary-950: #0A1629;
  --color-secondary-50: #ECE4FE;
  --color-secondary-100: #D8C9FC;
  --color-secondary-200: #C5AEFB;
  --color-secondary-300: #B292F9;
  --color-secondary-400: #9E77F8;
  --color-secondary-500: #8b5cf6;
  --color-secondary-600: #744DCD;
  --color-secondary-700: #5D3DA4;
  --color-secondary-800: #462E7B;
  --color-secondary-900: #2E1F52;
  --color-secondary-950: #170F29;
  --color-accent-50: #FDEFD6;
  --color-accent-100: #FCDFAE;
  --color-accent-200: #FACF85;
  --color-accent-300: #F8BE5C;
  --color-accent-400: #F7AE34;
  --color-accent-500: #f59e0b;
  --color-accent-600: #CC8409;
  --color-accent-700: #A36907;
  --color-accent-800: #7B4F06;
  --color-accent-900: #523504;
  --color-accent-950: #291A02;
  --color-success: #16a34a;
  --color-warning: #ea580c;
  --color-error: #dc2626;
  --color-info: #2563eb;
  --ui-background: #ffffff;
  --ui-surface: #FBFDFF;
  --ui-elevated: #ffffff;
  --ui-border: #E2ECFE;
  --ui-text: #0C1A31;
  --ui-muted: #204887;
  --ui-disabled: #D8E6FD;
  --ui-focus: #3b82f6;
}

Building a Cohesive Color System

A professional digital product requires more than just one or two brand colors. You need a complete system of colors that work together harmoniously across various interface states and elements.

1. Brand Colors

The foundation of your design system starts with your primary brand color. The generator automatically builds a 50-950 scale (11 steps) giving you the flexibility to use lighter tints for backgrounds and darker shades for text and borders.

2. Semantic Colors

Every application needs colors to communicate status to the user. Our system includes accessible defaults for Success (green), Warning (orange), Error (red), and Info (blue) that are optimized for clarity and contrast.

3. UI Tokens

Instead of using pure grays, professional design systems often tint their neutral colors (backgrounds, surfaces, borders, and text) slightly with the primary brand color. This creates a more cohesive and premium aesthetic. The UI tokens are carefully calculated using precise mixing ratios.