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Color Contrast Checker - WCAG Accessibility Ratio Tool

Chrome extension by olga.deeva.gritsenko · Productivity · Developer

A Chrome extension in Productivity · Developer with 83 users, barely installed. Audience over the last 30 days: +20.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 3 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
83
Rating
5.0 (3 ratings)
Users, last 30 days
+20
Rating, last 30 days
Steady over 30 days
Version
1.0.2
Updated in the store
2026-06-26
Published
2026-06-12
Manifest
V3
Browser access
1 permission

How it has moved

Users
+20 since 29.09
63-84 · 15 readings
  1. 2026-10-0467
  2. 2026-10-0872
  3. 2026-10-0976
  4. 2026-10-1075
  5. 2026-10-1377
  6. 2026-10-1681
  7. 2026-10-1879
  8. 2026-10-1978
  9. 2026-10-2181
  10. 2026-10-2283
  11. 2026-10-2382
  12. 2026-10-2484
  13. 2026-10-2583
  14. 2026-10-2884
  15. 2026-10-2983
Rating
unchanged since 29.09
reviewsrating 5.00 · 15 readings
  1. 2026-10-04reviews3rating5.00
  2. 2026-10-08reviews3rating5.00
  3. 2026-10-09reviews3rating5.00
  4. 2026-10-10reviews3rating5.00
  5. 2026-10-13reviews3rating5.00
  6. 2026-10-16reviews3rating5.00
  7. 2026-10-18reviews3rating5.00
  8. 2026-10-19reviews3rating5.00
  9. 2026-10-21reviews3rating5.00
  10. 2026-10-22reviews3rating5.00
  11. 2026-10-23reviews3rating5.00
  12. 2026-10-24reviews3rating5.00
  13. 2026-10-25reviews3rating5.00
  14. 2026-10-28reviews3rating5.00
  15. 2026-10-29reviews3rating5.00
Users
+34 since 01.09
49-84 · 28 readings
  1. 2026-09-0149
  2. 2026-09-0355
  3. 2026-09-0457
  4. 2026-09-0659
  5. 2026-09-0758
  6. 2026-09-0859
  7. 2026-09-1060
  8. 2026-09-1364
  9. 2026-09-1563
  10. 2026-09-2067
  11. 2026-09-2168
  12. 2026-09-2564
  13. 2026-09-2663
  14. 2026-10-0467
  15. 2026-10-0872
  16. 2026-10-0976
  17. 2026-10-1075
  18. 2026-10-1377
  19. 2026-10-1681
  20. 2026-10-1879
  21. 2026-10-1978
  22. 2026-10-2181
  23. 2026-10-2283
  24. 2026-10-2382
  25. 2026-10-2484
  26. 2026-10-2583
  27. 2026-10-2884
  28. 2026-10-2983
Rating
unchanged since 01.09
reviewsrating 5.00 · 28 readings
  1. 2026-09-01reviews3rating5.00
  2. 2026-09-03reviews3rating5.00
  3. 2026-09-04reviews3rating5.00
  4. 2026-09-06reviews3rating5.00
  5. 2026-09-07reviews3rating5.00
  6. 2026-09-08reviews3rating5.00
  7. 2026-09-10reviews3rating5.00
  8. 2026-09-13reviews3rating5.00
  9. 2026-09-15reviews3rating5.00
  10. 2026-09-20reviews3rating5.00
  11. 2026-09-21reviews3rating5.00
  12. 2026-09-25reviews3rating5.00
  13. 2026-09-26reviews3rating5.00
  14. 2026-10-04reviews3rating5.00
  15. 2026-10-08reviews3rating5.00
  16. 2026-10-09reviews3rating5.00
  17. 2026-10-10reviews3rating5.00
  18. 2026-10-13reviews3rating5.00
  19. 2026-10-16reviews3rating5.00
  20. 2026-10-18reviews3rating5.00
  21. 2026-10-19reviews3rating5.00
  22. 2026-10-21reviews3rating5.00
  23. 2026-10-22reviews3rating5.00
  24. 2026-10-23reviews3rating5.00
  25. 2026-10-24reviews3rating5.00
  26. 2026-10-25reviews3rating5.00
  27. 2026-10-28reviews3rating5.00
  28. 2026-10-29reviews3rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

olga.deeva.gritsenko publishes 19 listings we track, 1k users between them.

  1. Markdown Preview - Live Editor & Viewer olga.deeva.gritsenko · Productivity · Tools · published 2026-06-26 212 users ★ 5.0
  2. My Screen Resolution olga.deeva.gritsenko · Productivity · Developer · published 2026-07-03 179 users ★ 5.0
  3. Read Later - Save Articles & Reading List olga.deeva.gritsenko · Productivity · Workflow · published 2026-06-12 163 users ★ 5.0
Show 5 more from this publisher
  1. Unit Converter - Length, Weight & Temperature Tool olga.deeva.gritsenko · Productivity · Tools · published 2026-06-12 145 users ★ 4.8
  2. Notepad - Quick Notes in Your Browser Popup olga.deeva.gritsenko · Productivity · Tools · published 2026-06-12 135 users ★ 5.0
  3. Aspect Ratio Calculator olga.deeva.gritsenko · Productivity · Developer · published 2026-07-11 56 users ★ 5.0
  4. Password Generator - Strong Random Password Maker olga.deeva.gritsenko · Productivity · Tools · published 2026-06-12 45 users ★ 5.0
  5. Veo Prompt Generator - AI Video Prompt Builder olga.deeva.gritsenko · Productivity · Tools · published 2026-06-11 37 users ★ 5.0

Like this one

Listings the catalog judges closest in what they say they do.

  1. Contrast Check Describes nearly the same job, smaller audience 2 users (last published figure)
  2. Contrast Checker Describes nearly the same job, smaller audience 13 users
  3. Color Contrast Checker by Accessibility Tracker Describes nearly the same job, smaller audience 463 users ★ 4.2
  4. Elly's Contrast Checker Describes nearly the same job, smaller audience 5 users
  5. ContrastScore - WCAG Accessibility Checker Describes nearly the same job, smaller audience 4 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/iihiacdbfaagmhocmemhgonlkmlenmkd/badge.svg)](https://extops.dev/extensions/iihiacdbfaagmhocmemhgonlkmlenmkd)

HTML

<a href="https://extops.dev/extensions/iihiacdbfaagmhocmemhgonlkmlenmkd"><img src="https://extops.dev/extensions/iihiacdbfaagmhocmemhgonlkmlenmkd/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-29. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built