Unlimited Color Studio

Capture, build, and validate colour across 46 spaces. WCAG and APCA contrast, colour-vision simulation, then export CSS, Tailwind, SwiftUI, or UIKit.

Unlimited Color Studio is a complete color workbench for designers, developers, and anyone who needs to pick, build, and validate color with precision. Every tool reads and writes one shared studio session: a working color, working pair, and working palette that follow you from tool to tool.

Capture. Pick, sample, search, and normalize color sources. Eyedropper picks colors from the screen and branches them into your session. Image Sampling extracts palettes and probes regions to build style biased palettes from photos. Named Colors gives you named references with nearest name lookup. Palette Scales lets you browse scientific and UI friendly scales and sample them into your session. Temperature inspects black body color and Kelvin mappings. Palette Collection offers curated palettes by category, including nature, modern, vintage, and bold.

Build. Convert, generate, branch, mix, and theme color systems. Conversion Lab edits one color in any space and inspects it everywhere. Palette Lab generates, scales, randomizes, and constrains palettes around a working palette. Color Mixer blends colors numerically and compares perceptual versus spectral results. Gradient Studio builds and exports gradients from your working swatches. Experiment Board pins swatches, branches variants, and saves board snapshots. Theme Studio browses shipped themes, builds role based palettes, and audits them against your session.

Validate. Compare, audit, simulate, and inspect perceptual failures. Compare Lab measures Delta E, contrast, APCA, and perceptual difference between two colors. Contrast Checker checks WCAG AA/AAA and APCA ratios between foreground and background colors. Color Blindness simulates color vision deficiencies to confirm your colors stay distinguishable. Gamut Navigator explores wide gamut behavior across supported color spaces. Rainbow traverses spectrum sweeps and sends stops straight to your palette.

Play. Sharpen your eye with built in training modes. Color Match, Name That Color, What's My JND, Contrast Rescue, Ramp Repair, Gamut Guess, Palette Doctor, and Temperature Match turn color theory into fast, focused practice.

Your studio session lives in a persistent sidebar with recents, favorites, and snapshots, so nothing you pick or build ever gets lost between tools.