Free Design & Color Tools

Pick colors, build palettes, check accessibility contrast, and generate CSS gradients — all free and in your browser. Perfect for designers, developers, and anyone working with color.

Convert between HEX, RGB, HSL, and HSV
Generate harmonious color palettes
Check WCAG AA and AAA contrast ratios
Export CSS-ready gradient code

All Design & Color (7)

HEX to RGB

Convert colors between HEX, RGB, HSL, and HSV formats.

Color Picker

Pick colors and get HEX, RGB, and HSL values instantly.

Color Palette Generator

Generate complementary, analogous, and triadic color palettes.

Gradient Generator

Create CSS linear gradients with live preview.

Contrast Checker

Check WCAG color contrast ratios for accessibility.

Tint Shade Generator

Generate tints and shades from any base color.

Image Color Extractor

Extract dominant colors from any uploaded image.

Why use free design & color tools from Pinnacle Toolbox?

Every tool in our design & color collection runs entirely in your browser. There is no software to install, no account to create, and no data uploaded to our servers. Whether you need a quick conversion or a daily workflow utility, our tools are free, fast, and private.

Browse all 7 tools above, or explore our full collection of 60+ free online utilities across text, images, code, math, and productivity.