CSS Color Tools
Color is the fastest way to establish visual identity. These tools help you pick precise colors with harmony generation, design beautiful gradients with multiple stops, and convert between HEX, RGB, and HSL. Every tool outputs clean CSS ready for your codebase.
Color Picker
Advanced color picker with harmonies, palettes, and format conversion
Gradient Generator
Design beautiful linear, radial, and conic gradients with ease
Tips & Best Practices
- 1
Use HSL for building color systems — keeping the hue constant while varying lightness in even steps (10%, 20%, ..., 90%) creates a natural shade scale.
- 2
Always verify color contrast ratios for accessibility: WCAG AA requires 4.5:1 for body text and 3:1 for large text or UI components.
- 3
Layer multiple CSS gradients using comma-separated `background-image` values to create complex patterns without image files.
- 4
Prefer `oklch()` or `oklab()` for perceptually uniform color manipulation — equal numeric steps produce visually equal color differences, unlike HSL.
- 5
Use CSS custom properties (`--color-primary: hsl(220 90% 56%)`) for your color palette so theme changes require updating only the variable values.
CSS Color Tools — FAQ
Common questions about css color tools and CSS techniques covered by these tools.
HEX is a compact hexadecimal notation (#RRGGBB) commonly used in CSS. RGB specifies red, green, and blue channel values from 0-255. HSL uses hue (0-360°), saturation (0-100%), and lightness (0-100%), making it more intuitive for creating color palettes and adjusting colors. All three can represent the same colors — the choice depends on your workflow. HSL is generally best for design work because adjusting lightness or saturation is straightforward.
Use the `background-image` property with gradient functions: `linear-gradient()` for directional transitions, `radial-gradient()` for circular effects, or `conic-gradient()` for angle-based sweeps. Each function accepts color stops with optional positions (e.g., `linear-gradient(135deg, #667eea 0%, #764ba2 100%)`). Our Gradient Generator lets you design these visually with multiple stops, angle control, and live preview.
Color harmonies are combinations based on positions on the color wheel. Complementary colors (opposite on the wheel) create high contrast. Analogous colors (adjacent) feel cohesive and calm. Triadic (three equally spaced) offers vibrant variety with balance. Split-complementary provides contrast with less tension than pure complementary. Using harmonies ensures your palette is visually coherent rather than random.
Test every text-background color pair against WCAG contrast ratio requirements (4.5:1 for normal text, 3:1 for large text). Don't rely on color alone to convey meaning — add icons, labels, or patterns as secondary indicators. Use tools that report contrast ratios during color selection. Consider color blindness by avoiding red-green as the only distinction between states.
CSS Guides
Learn the CSS properties behind these tools — syntax, values, and best practices.
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