Color Tools for Designers & Developers

A focused toolkit for building accessible, on-brand color systems—from generating palettes to checking WCAG contrast for real-world interfaces.

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Palette Generator

Generate harmonious color palettes based on color theory. Create perfect combinations for your projects.

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Accessibility Contrast Checker

Check color contrast ratios for accessibility compliance. Ensure your designs meet WCAG guidelines.

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Professional color tools for modern design workflows

The Theme & Color tools are built for product designers, front-end developers, and brand teams who need reliable, repeatable color decisions—not guesswork. Instead of juggling screenshots and spreadsheets, you can generate palettes, document decisions, and check accessibility in one place.

Color palette generator

Use the color palette generator to build harmonious palettes for websites, design systems, or brand identities. Start from a single base color and explore complementary, analogous, or triadic schemes with hex values ready to paste into Figma, CSS, or your component library.

Accessibility contrast checker

The accessibility contrast checker helps you validate text and background pairs against WCAG contrast ratios. Quickly see which combinations pass AA or AAA, then adjust your palette before development so your interface ships accessible by default.

Together, these free online color tools give you a practical way to design, test, and maintain a professional color system across marketing sites, apps, and design systems—without sacrificing performance, legibility, or brand consistency.

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