Colorimeter: Color Meter

Colorimeter turns your iPhone or iPad into a serious color measurement tool for real-world work. Measure color from the live camera or local photos, calibrate with a white reference, compare readings with Delta E, and keep every result on your device. MEASURE, IDENTIFY, AND COMPARE COLOR - Sample color live with the camera - Pick exact colors from photos and imported images - Use white reference calibration for more reliable readings in changing light - Compare two measurements with Delta E 2000, 94, and 76 SEE THE COLOR DATA YOU ACTUALLY NEED - View HEX, RGB, HSL, HSI, HSB, HSP - View CIELAB, OKLab, OKLCH, XYZ, xyY, YUV, CMYK, and RYB - Measure LRV (Light Reflectance Value) - Reorder and hide color spaces to fit your workflow MATCH STANDARDS AND NAME COLORS OFFLINE - Match against the bundled HTML color catalog - Import licensed RAL and Munsell catalogs for offline matching - See descriptive color names in 40 languages - Keep standards matching local to your device SAVE AND EXPORT YOUR RESULTS - Save measurements with notes in your library - Revisit earlier readings anytime - Export as PDF, PNG, or CSV - Share clean measurement data without a cloud workflow BUILT FOR SERIOUS COLOR WORK Colorimeter is ideal for designers, decorators, architects, print technicians, researchers, students, makers, and anyone who needs a reliable mobile color tool without extra hardware. PRIVACY-FIRST AND LOCAL-ONLY - No account required - No cloud dependency - No remote color processing - Your measurements, catalogs, and exports stay on your device Whether you're checking paint, print, materials, products, samples, or inspiration from a photo, Colorimeter helps you measure, identify, compare, and save color anywhere.