What Color?

Claudio Valgimigli · Graphics & Design

5.0 1 ratings $4.99

Chart standing · US

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What changed · US

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Aug 26, 2026
New version 3.0 → 3.1

What’s New in Version 3.1 • Complete contextual guides in every tool in the Create section • New ? button in Converter, Digital Blend, Compare, Harmonies, and Accessibility Lab • Clear explanations of OKLCH, linear light, ΔE00, WCAG contrast, harmony schemes, and vision profiles • Guided workflows, glossaries, and practical notes that make every result easier to understand • Guides fully localized in Italian, English, French, German, and Spanish

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About

What Color? is the professional toolkit for identifying, studying and creating colors on iPhone and iPad. IDENTIFY ANY COLOR Point the camera at a surface or choose a photo. Tap the area you care about to see the nearest generic reference, the exact sampled HEX and RGB values, and a confidence indicator. Zoom in, pause live detection, adjust the sampling area and hear the color name spoken aloud. ANALYZE YOUR PHOTOS Move the reticle precisely, open an image full screen, magnify fine details and automatically extract a dominant palette. Share values or save a sample to your library. CONVERT AND COMPARE Work with HEX, RGB, HSL, Lab and OKLCH. Adjust RGB channels numerically or by percentage, copy CSS, SwiftUI and UIKit snippets, compare two colors with CIEDE2000, and check contrast against WCAG AA and AAA criteria. BUILD BETTER PALETTES Blend two colors using multiple models. Generate complementary, analogous, triadic, tetradic and monochromatic harmonies, then save your work as reusable palettes. DESIGN FOR ACCESSIBILITY Simulate protanopia, deuteranopia, tritanopia and achromatopsia. The accessibility lab suggests more distinguishable companions and previews how choices appear across different vision profiles. 206 REFERENCES TO EXPLORE Browse and search a catalog of original generic color references. Open any entry to inspect advanced values, hear its name and save it with one tap. PRIVATE BY DESIGN No account, cloud, advertising or tracking. Photos, colors, notes and palettes stay on your device, and every feature works offline. Pay once. No subscription and no in-app purchases. Please note: detected color can vary with lighting, camera, display and surface characteristics. Always use calibrated instruments for color-critical work.

What's new · 3.1

What’s New in Version 3.1 • Complete contextual guides in every tool in the Create section • New ? button in Converter, Digital Blend, Compare, Harmonies, and Accessibility Lab • Clear explanations of OKLCH, linear light, ΔE00, WCAG contrast, harmony schemes, and vision profiles • Guided workflows, glossaries, and practical notes that make every result easier to understand • Guides fully localized in Italian, English, French, German, and Spanish

Details

ReleasedJan 2012
UpdatedAug 2026
Version3.1
Size6.5 MB
RequiresiOS 18.0 or later
Age rating4+
LanguagesEnglish, French, German, Italian, Spanish
Price$4.99
Categories Graphics & DesignUtilities
Bundle IDcom.valgy.CheColore