App for iPhone and iPad · Utilities · 2026
Colorimeter
Camera HEX, RGB & Lab reader
A pocket colorimeter: point the camera at a surface and read the color values right away, or sample your photos, with calibration on a gray card.
Colorimeter reads the color the camera is pointed at in real time and shows it in HEX, RGB, HSB, Lab and CMYK, ready to copy. You can do the same on any photo in your library.
For more accurate readings you calibrate with an 18% gray card, with chromatic adaptation to D65 or D50, and save profiles for each lighting condition. Palettes sync across devices with iCloud.
What it does
- Live reading in HEX, RGB, HSB, Lab and CMYK
- Color sampling from photos
- Saved palettes synced with iCloud
- Calibration on an 18% gray card
- Profiles for different lighting conditions
Screenshots
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Open full size in a new tab: Reading a color live from the camera
Reading a color live from the camera -
Open full size in a new tab: Sampling a color from a photo
Sampling a color from a photo -
Open full size in a new tab: The color in HEX, RGB, HSB, Lab and CMYK
The color in HEX, RGB, HSB, Lab and CMYK