ColorMatch Lab

ColorMatch Lab is a private, fully offline color laboratory for designers, printers, makers and renovators.

Extract precise colors from a new CameraX photo or any image via the system Photo Picker. Sample a single pixel or average an area up to 41×41, with a crosshair and 7×7 loupe for neighboring pixels.

• HEX, RGB, HSL, CIE Lab and approximate CMYK
• Delta E CIE76 comparison with plain-language interpretation
• Projects, source photos, samples, palettes and comparison history (Room)
• Search, sort, edit, delete confirmation and Undo
• Export PNG, PDF and TXT via Storage Access Framework
• Versioned JSON backup with Merge/Replace import
• Light/dark theme, Dynamic Color and onboarding

No account. No ads. No INTERNET permission. Camera is requested only when you take a new photo. Everything stays on your device.

Note: ColorMatch Lab is not a hardware colorimeter. Lighting, white balance, camera, display profile and materials affect results. CMYK is a mathematical estimate without an ICC print profile.