Ext Ops Panel
Open dashboard

SK Contrast

Chrome extension by Stefan Kuip · Productivity · Developer

  • Featured

A Chrome extension in Productivity · Developer with 31 users, barely installed. Audience over the last 30 days: +3.

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

What the developer says, and 1 screenshot

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

Users
31
Rating
4.0 (1 ratings)
Users, last 30 days
+3
Rating, last 30 days
Steady over 30 days
Version
1.0.7
Updated in the store
2022-01-30
Published
2019-07-31
Manifest
V3
Browser access
2 permissions

How it has moved

Users
+3 since 05.10
27-32 · 13 readings
  1. 2026-10-0528
  2. 2026-10-0831
  3. 2026-10-0932
  4. 2026-10-1631
  5. 2026-10-1831
  6. 2026-10-2230
  7. 2026-10-2329
  8. 2026-10-2427
  9. 2026-10-2728
  10. 2026-10-2931
  11. 2026-11-0128
  12. 2026-11-0331
  13. 2026-11-0431
Rating
unchanged since 05.10
reviewsrating 4.00 · 13 readings
  1. 2026-10-05reviews1rating4.00
  2. 2026-10-08reviews1rating4.00
  3. 2026-10-09reviews1rating4.00
  4. 2026-10-16reviews1rating4.00
  5. 2026-10-18reviews1rating4.00
  6. 2026-10-22reviews1rating4.00
  7. 2026-10-23reviews1rating4.00
  8. 2026-10-24reviews1rating4.00
  9. 2026-10-27reviews1rating4.00
  10. 2026-10-29reviews1rating4.00
  11. 2026-11-01reviews1rating4.00
  12. 2026-11-03reviews1rating4.00
  13. 2026-11-04reviews1rating4.00
Users
+4 since 31.08
27-32 · 26 readings
  1. 2026-08-3127
  2. 2026-09-0228
  3. 2026-09-0329
  4. 2026-09-0428
  5. 2026-09-0631
  6. 2026-09-0730
  7. 2026-09-0932
  8. 2026-09-1331
  9. 2026-09-1729
  10. 2026-09-2131
  11. 2026-09-2230
  12. 2026-09-2631
  13. 2026-09-2830
  14. 2026-10-0528
  15. 2026-10-0831
  16. 2026-10-0932
  17. 2026-10-1631
  18. 2026-10-1831
  19. 2026-10-2230
  20. 2026-10-2329
  21. 2026-10-2427
  22. 2026-10-2728
  23. 2026-10-2931
  24. 2026-11-0128
  25. 2026-11-0331
  26. 2026-11-0431
Rating
unchanged since 31.08
reviewsrating 4.00 · 26 readings
  1. 2026-08-31reviews1rating4.00
  2. 2026-09-02reviews1rating4.00
  3. 2026-09-03reviews1rating4.00
  4. 2026-09-04reviews1rating4.00
  5. 2026-09-06reviews1rating4.00
  6. 2026-09-07reviews1rating4.00
  7. 2026-09-09reviews1rating4.00
  8. 2026-09-13reviews1rating4.00
  9. 2026-09-17reviews1rating4.00
  10. 2026-09-21reviews1rating4.00
  11. 2026-09-22reviews1rating4.00
  12. 2026-09-26reviews1rating4.00
  13. 2026-09-28reviews1rating4.00
  14. 2026-10-05reviews1rating4.00
  15. 2026-10-08reviews1rating4.00
  16. 2026-10-09reviews1rating4.00
  17. 2026-10-16reviews1rating4.00
  18. 2026-10-18reviews1rating4.00
  19. 2026-10-22reviews1rating4.00
  20. 2026-10-23reviews1rating4.00
  21. 2026-10-24reviews1rating4.00
  22. 2026-10-27reviews1rating4.00
  23. 2026-10-29reviews1rating4.00
  24. 2026-11-01reviews1rating4.00
  25. 2026-11-03reviews1rating4.00
  26. 2026-11-04reviews1rating4.00

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.

  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab

The full permission history for this extension

What changed recently

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

The publisher

Stefan Kuip publishes 3 listings we track, 38 users between them.

  1. SK QR-code Stefan Kuip · Productivity · Workflow · published 2017-06-25 4 users
  2. SK Defixer Stefan Kuip · Productivity · Developer · published 2017-06-11 3 users

Like this one

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

  1. Color Contrast Checker Describes nearly the same job, smaller audience 22 users
  2. Color Capture Describes nearly the same job, smaller audience 36 users ★ 5.0
  3. ColorPickr: Contrast Checker & Design System Describes nearly the same job, smaller audience 2 users ★ 5.0
  4. Color Picker — Eyedropper, Palettes & Contrast Checker Describes nearly the same job, smaller audience 9 users
  5. Instant WCAG Contrast Check Describes nearly the same job, smaller audience 29 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.

Want this mark on your extension in our catalog?

Verify that you are its author and you can show this mark on the card, with live banners for your site and README. How verification works

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

Connect it in a minute See what the panel does
Add a badge to your README or site

The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

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

HTML

<a href="https://extops.dev/extensions/lpllbckoiaocmofdpoehehobfppheflc"><img src="https://extops.dev/extensions/lpllbckoiaocmofdpoehehobfppheflc/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 2026-11-03. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built