# ColorContrastChecker

> Real-time color contrast ratio calculator for accessibility standards. (iPhone/iPad app by Yukio YOKOTA.)

- Source: https://appshunter.io/ios/app/colorcontrastchecker/id1117296713 (this page in markdown: same URL + `.md`)
- Developer: [Yukio YOKOTA](https://appshunter.io/developer/652618165)
- Category: Utilities, Reference
- Price: Free
- Rating: 1.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 8.0 · 13 MB
- Languages: American English
- Released: 2016-05-26
- Data updated: 2026-06-24
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/colorcontrastchecker/id1117296713/reviews.md

## What is ColorContrastChecker?

ColorContrastChecker is an application that test has been proposed in the Web Content Accessibility Guidelines (WCAG) 2.0, the color of the contrast ratio achieved standards .
The contrast ratio is calculated in real-time two of the color by manipulating the slider of each RGB component , and displays .

## Key features

- Real-time contrast ratio calculation
- Adjustable RGB component sliders
- WCAG 2.0 compliance testing
- Instant visual feedback


## Frequently asked questions about ColorContrastChecker

### What is ColorContrastChecker used for?

ColorContrastChecker is used to calculate the contrast ratio between two colors in real-time. This helps ensure that your color choices meet accessibility standards like WCAG 2.0.

### How does ColorContrastChecker calculate contrast ratios?

You can manipulate the RGB components of two colors using sliders. The app then calculates and displays the contrast ratio achieved by these color combinations instantly.

### Is ColorContrastChecker free to use?

Yes, ColorContrastChecker is available for free. It does not have any in-app purchases or advertisements.

### What devices does ColorContrastChecker support?

ColorContrastChecker is available for iPhone and iPod devices.

### What is the age rating for ColorContrastChecker?

ColorContrastChecker has an age rating of 4+.

### When was ColorContrastChecker last updated?

ColorContrastChecker was last updated on May 27, 2016, with version 1.1.

### Does ColorContrastChecker have ads?

No, ColorContrastChecker does not contain advertisements.

### What is the user feedback on ColorContrastChecker?

ColorContrastChecker has received 1 rating with an average of 1.0 stars.

## Version history (last 2 releases)

### 1.1 — 2016-05-27

This app has been updated by Apple to display the Apple Watch app icon.

It has changed the app supported since iOS8.

### 1.0 — 2016-05-26

No release notes.

## Apps similar to ColorContrastChecker

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Accessibility Checker - AI EAA](https://appshunter.io/ios/app/accessibility-checker-ai-eaa/id1095478187) | 3.0 (26) | Free | Utilities |
| [DoubleStruck Input](https://appshunter.io/ios/app/doublestruck-input/id6447992628) | — | $1.99 | Utilities |
| [RGB Color Slider](https://appshunter.io/ios/app/rgb-color-slider/id1349345377) | — | $0.99 | Utilities |
| [Check My Color](https://appshunter.io/ios/app/check-my-color/id1355711840) | — | Free | Utilities |
| [Palettable - Palette Creator](https://appshunter.io/ios/app/palettable-palette-creator/id6503652310) | — | Free | Utilities |
| [SimpleCount App](https://appshunter.io/ios/app/simplecount-app/id1511802047) | — | Free | Utilities |

## More apps by Yukio YOKOTA

- [効果音パッド](https://appshunter.io/ios/app/id1454145271)
- [Simple POCKET](https://appshunter.io/ios/app/simple-pocket/id1543575948)
- [GEMS-25](https://appshunter.io/ios/app/gems-25/id1546429815)

All apps by Yukio YOKOTA: https://appshunter.io/developer/652618165

## Related topics

[yukio yokota](https://appshunter.io/ios/topics/yukio-yokota) · [contrast checker](https://appshunter.io/ios/topics/contrast-checker)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-24.*