CONTRAST - Color Accessibility2.2.0
Publisher Description
Contrast is a tool to measure the contrast between two colors, helping ensure your app meets the internationally recognized recommendations in the Accessibility Guidelines (e.g., WCAG 2.0 1.4.3).
- Support to preview the color
- Support Hex, RGB, HSB, CMYK input
- Support random color
- Support Dark mode
- Support Collection
- iCloud sync
If you think color is easy to use, you can recommend it to your design friends. At the same time, we welcome you to rate us in the App Store!
Version History Updated for iOS 27, with improvements to the experience on the new system. 2.2.0 Sep 29 Thank you for using our software. This update enhances the user experience and fixes minor issues. 2.1.0 07/24/2025 Thank you for using our software. This update enhances the user experience and fixes minor issues. 2.0.0 07/21/2025 Thank you for using my software! This time, we have optimized some aspects of the user experience and fixed a few minor issues:
- Adaptation to iOS 18;
- Resolution of known issues. 1.2.0 09/12/2024 Thank you for using our software.
This time we have optimized some user experiences and solved some minor issues. 1.1.8 04/02/2024 Thank you for using our software.
This time we have optimized some user experiences and solved some minor issues. 1.1.7 03/25/2024 Thank you for using our software. We welcome your feedback.
- Compatible with iOS 17. 1.1.6 02/27/2024 Thank you for using our software. We welcome your feedback.
- Compatible with iOS 17. 1.1.5 09/30/2023 Thank you for using our software. Feel free to leave us a review.
- Added image color picking feature
- Localization now available in English, Traditional Chinese, Japanese, Korean, French, German, Russian, Italian. 1.1.3 07/08/2023 Thank you for using our software. Feel free to leave us a review.
- Added image color picking feature
- Localization now available in English, Traditional Chinese, Japanese, Korean, French, German, Russian, Italian. 1.1.2 07/01/2023 # This update
+ Optimize the interaction. 1.1.1 12/14/2022 # This update
+ Added color blindness simulation
+ Supports switching the foreground and background colors
# Last update
+ Record the last color selected
+ Redesign, support to preview the color
+ Support Hex, RGB, HSB, CMYK input
+ Support random color
+ Support Dark mode
+ Support Collection
+ iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.1.0 04/01/2021 # This update
- Record the last color selected.
# Last update
- Redesign, support to preview the color
- Support Hex, RGB, HSB, CMYK input
- Support random color
- Support Dark mode
- Support Collection
- iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.0.8 02/26/2021 # This update
- Record the last color selected.
# Last update
- Redesign, support to preview the color
- Support Hex, RGB, HSB, CMYK input
- Support random color
- Support Dark mode
- Support Collection
- iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.0.7 02/21/2021 # This update
- Redesign, support to preview the color
- Support Hex, RGB, HSB, CMYK input
- Support random color
- Support Dark mode
- Support Collection
- iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.0.6 02/12/2021 # This update
- Redesign, support to preview the color
- Support Hex, RGB, HSB, CMYK input
- Support random color
- Support Dark mode
- Support Collection
- iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.0.5 02/09/2021 - Support iOS 14 1.0.3 09/17/2020 Minor bug fixes and enhancements. 1.0.2 03/18/2020 Speed Optimizations & Bug Fixes 1.0.1 01/17/2020 1.0 10/18/2019
About CONTRAST - Color Accessibility
The company that develops CONTRAST - Color Accessibility is 才熹 郑. The latest version released by its developer is 2.2.0.
To install CONTRAST - Color Accessibility on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-13 and was downloaded 7 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the CONTRAST - Color Accessibility as malware if the download link is broken.
How to install CONTRAST - Color Accessibility on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the CONTRAST - Color Accessibility is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After CONTRAST - Color Accessibility is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 2.2.0
posted on 2026-10-13
Version History Updated for iOS 27, with improvements to the experience on the new system. 2.2.0 Sep 29 Thank you for using our software. This update enhances the user experience and fixes minor issues. 2.1.0 07/24/2025 Thank you for using our software. This update enhances the user experience and fixes minor issues. 2.0.0 07/21/2025 Thank you for using my software! This time, we have optimized some aspects of the user experience and fixed a few minor issues:
- Adaptation to iOS 18;
- Resolution of known issues. 1.2.0 09/12/2024 Thank you for using our software.
This time we have optimized some user experiences and solved some minor issues. 1.1.8 04/02/2024 Thank you for using our software.
This time we have optimized some user experiences and solved some minor issues. 1.1.7 03/25/2024 Thank you for using our software. We welcome your feedback.
- Compatible with iOS 17. 1.1.6 02/27/2024 Thank you for using our software. We welcome your feedback.
- Compatible with iOS 17. 1.1.5 09/30/2023 Thank you for using our software. Feel free to leave us a review.
- Added image color picking feature
- Localization now available in English, Traditional Chinese, Japanese, Korean, French, German, Russian, Italian. 1.1.3 07/08/2023 Thank you for using our software. Feel free to leave us a review.
- Added image color picking feature
- Localization now available in English, Traditional Chinese, Japanese, Korean, French, German, Russian, Italian. 1.1.2 07/01/2023 # This update
+ Optimize the interaction. 1.1.1 12/14/2022 # This update
+ Added color blindness simulation
+ Supports switching the foreground and background colors
# Last update
+ Record the last color selected
+ Redesign, support to preview the color
+ Support Hex, RGB, HSB, CMYK input
+ Support random color
+ Support Dark mode
+ Support Collection
+ iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.1.0 04/01/2021 # This update
- Record the last color selected.
# Last update
- Redesign, support to preview the color
- Support Hex, RGB, HSB, CMYK input
- Support random color
- Support Dark mode
- Support Collection
- iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.0.8 02/26/2021 # This update
- Record the last color selected.
# Last update
- Redesign, support to preview the color
- Support Hex, RGB, HSB, CMYK input
- Support random color
- Support Dark mode
- Support Collection
- iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.0.7 02/21/2021 # This update
- Redesign, support to preview the color
- Support Hex, RGB, HSB, CMYK input
- Support random color
- Support Dark mode
- Support Collection
- iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.0.6 02/12/2021 # This update
- Redesign, support to preview the color
- Support Hex, RGB, HSB, CMYK input
- Support random color
- Support Dark mode
- Support Collection
- iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.0.5 02/09/2021 - Support iOS 14 1.0.3 09/17/2020 Minor bug fixes and enhancements. 1.0.2 03/18/2020 Speed Optimizations & Bug Fixes 1.0.1 01/17/2020 1.0 10/18/2019
version 2.2.0
posted on 2026-10-02
Version History Updated for iOS 27, with improvements to the experience on the new system. 2.2.0 3d ago Thank you for using our software. This update enhances the user experience and fixes minor issues. 2.1.0 07/24/2025 Thank you for using our software. This update enhances the user experience and fixes minor issues. 2.0.0 07/21/2025 Thank you for using my software! This time, we have optimized some aspects of the user experience and fixed a few minor issues:
- Adaptation to iOS 18;
- Resolution of known issues. 1.2.0 09/12/2024 Thank you for using our software.
This time we have optimized some user experiences and solved some minor issues. 1.1.8 04/02/2024 Thank you for using our software.
This time we have optimized some user experiences and solved some minor issues. 1.1.7 03/25/2024 Thank you for using our software. We welcome your feedback.
- Compatible with iOS 17. 1.1.6 02/27/2024 Thank you for using our software. We welcome your feedback.
- Compatible with iOS 17. 1.1.5 09/30/2023 Thank you for using our software. Feel free to leave us a review.
- Added image color picking feature
- Localization now available in English, Traditional Chinese, Japanese, Korean, French, German, Russian, Italian. 1.1.3 07/08/2023 Thank you for using our software. Feel free to leave us a review.
- Added image color picking feature
- Localization now available in English, Traditional Chinese, Japanese, Korean, French, German, Russian, Italian. 1.1.2 07/01/2023 # This update
+ Optimize the interaction. 1.1.1 12/14/2022 # This update
+ Added color blindness simulation
+ Supports switching the foreground and background colors
# Last update
+ Record the last color selected
+ Redesign, support to preview the color
+ Support Hex, RGB, HSB, CMYK input
+ Support random color
+ Support Dark mode
+ Support Collection
+ iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.1.0 04/01/2021 # This update
- Record the last color selected.
# Last update
- Redesign, support to preview the color
- Support Hex, RGB, HSB, CMYK input
- Support random color
- Support Dark mode
- Support Collection
- iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.0.8 02/26/2021 # This update
- Record the last color selected.
# Last update
- Redesign, support to preview the color
- Support Hex, RGB, HSB, CMYK input
- Support random color
- Support Dark mode
- Support Collection
- iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.0.7 02/21/2021 # This update
- Redesign, support to preview the color
- Support Hex, RGB, HSB, CMYK input
- Support random color
- Support Dark mode
- Support Collection
- iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.0.6 02/12/2021 # This update
- Redesign, support to preview the color
- Support Hex, RGB, HSB, CMYK input
- Support random color
- Support Dark mode
- Support Collection
- iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.0.5 02/09/2021 - Support iOS 14 1.0.3 09/17/2020 Minor bug fixes and enhancements. 1.0.2 03/18/2020 Speed Optimizations & Bug Fixes 1.0.1 01/17/2020 1.0 10/18/2019
version 2.1.0
posted on 2026-09-25
Version History Thank you for using our software. This update enhances the user experience and fixes minor issues. 2.1.0 07/24/2025 Thank you for using our software. This update enhances the user experience and fixes minor issues. 2.0.0 07/21/2025 Thank you for using my software! This time, we have optimized some aspects of the user experience and fixed a few minor issues:
- Adaptation to iOS 18;
- Resolution of known issues. 1.2.0 09/12/2024 Thank you for using our software.
This time we have optimized some user experiences and solved some minor issues. 1.1.8 04/02/2024 Thank you for using our software.
This time we have optimized some user experiences and solved some minor issues. 1.1.7 03/25/2024 Thank you for using our software. We welcome your feedback.
- Compatible with iOS 17. 1.1.6 02/27/2024 Thank you for using our software. We welcome your feedback.
- Compatible with iOS 17. 1.1.5 09/30/2023 Thank you for using our software. Feel free to leave us a review.
- Added image color picking feature
- Localization now available in English, Traditional Chinese, Japanese, Korean, French, German, Russian, Italian. 1.1.3 07/08/2023 Thank you for using our software. Feel free to leave us a review.
- Added image color picking feature
- Localization now available in English, Traditional Chinese, Japanese, Korean, French, German, Russian, Italian. 1.1.2 07/01/2023 # This update
+ Optimize the interaction. 1.1.1 12/14/2022 # This update
+ Added color blindness simulation
+ Supports switching the foreground and background colors
# Last update
+ Record the last color selected
+ Redesign, support to preview the color
+ Support Hex, RGB, HSB, CMYK input
+ Support random color
+ Support Dark mode
+ Support Collection
+ iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.1.0 04/01/2021 # This update
- Record the last color selected.
# Last update
- Redesign, support to preview the color
- Support Hex, RGB, HSB, CMYK input
- Support random color
- Support Dark mode
- Support Collection
- iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.0.8 02/26/2021 # This update
- Record the last color selected.
# Last update
- Redesign, support to preview the color
- Support Hex, RGB, HSB, CMYK input
- Support random color
- Support Dark mode
- Support Collection
- iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.0.7 02/21/2021 # This update
- Redesign, support to preview the color
- Support Hex, RGB, HSB, CMYK input
- Support random color
- Support Dark mode
- Support Collection
- iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.0.6 02/12/2021 # This update
- Redesign, support to preview the color
- Support Hex, RGB, HSB, CMYK input
- Support random color
- Support Dark mode
- Support Collection
- iOS 13 and above Support iCloud sync
If you like CONTRAST, give us a rating on the App Store. Thank you! 1.0.5 02/09/2021 - Support iOS 14 1.0.3 09/17/2020 Minor bug fixes and enhancements. 1.0.2 03/18/2020 Speed Optimizations & Bug Fixes 1.0.1 01/17/2020 1.0 10/18/2019
version 2.1.0
posted on 2025-07-24
Thank you for using our software. This update enhances the user experience and fixes minor issues.
version 2.1.0
posted on 2025-07-24
Jul 24, 2025
Version 2.1.0
Thank you for using our software. This update enhances the user experience and fixes minor issues.
version 1.2.0
posted on 2024-09-12
Sep 12, 2024
Version 1.2.0
Thank you for using my software! This time, we have optimized some aspects of the user experience and fixed a few minor issues:
- Adaptation to iOS 18;
- Resolution of known issues.
version 1.1.8
posted on 2024-04-02
Apr 2, 2024
Version 1.1.8
Thank you for using our software.
This time we have optimized some user experiences and solved some minor issues.
version 1.1.7
posted on 2024-03-25
Mar 25, 2024
Version 1.1.7
Thank you for using our software.
This time we have optimized some user experiences and solved some minor issues.
version 1.1.6
posted on 2024-02-27
Feb 27, 2024
Version 1.1.6
Thank you for using our software. We welcome your feedback.
- Compatible with iOS 17.
version 1.1.5
posted on 2023-09-30
Sep 30, 2023
Version 1.1.5
Thank you for using our software. We welcome your feedback.
- Compatible with iOS 17.
