What color is This? used for?
What color is This? is used to identify the exact color of any object by pointing your camera at it. It provides broad color families, specific descriptors, and matches against 30,000 named colors, making it useful for designers, artists, and anyone curious about color.
Does What color is This? work offline?
Yes, What color is This? works completely offline after the initial launch. The extensive 30,000-color database is bundled within the app, meaning no internet connection is required for color identification.
What color is This? compatible with?
What color is This? is available for iPhone and iPad devices. It is designed for users aged 4 and up.
How accurate is What color is This?
What color is This? uses 7x7 pixel averaging for accuracy and white balance calibration to compensate for lighting conditions. It matches colors against 30,000 named colors using the CIEDE2000 perceptual distance formula, which aligns with human color perception.
Can I simulate color vision deficiencies in What color is This?
Yes, What color is This? includes a color vision simulation feature. You can see how colors appear to individuals with protanopia, deuteranopia, or tritanopia, and even set your own vision type for personalized accessible palette suggestions.
How are colors named in What color is This?
Colors are identified in three layers: a broad family (e.g., blue, red), a qualified descriptor (e.g., light muted blue), and the closest named color from a database of 30,000 options (e.g., Tiffany Blue, Burnt Sienna).
Does What color is This? have ads?
No, What color is This? is completely ad-free. The developers have stated there are no ads, tracking, or data collection, ensuring a private and uninterrupted user experience.
How often is What color is This? updated?
The latest version of What color is This? is 1.1.0, last updated on June 25, 2026. The app was initially released on May 13, 2026.
