Extension Tracker

WCAG Color contrast checker

100,000 users Rated 3.86 from 35 ratings Last updated 27 Dec 2025

By Jorge Rumoroso Live in the Chrome Web Store plnahcmalebffmaghcpcmpaciebdhgdf Search Google ↗ Last checked 11 Nov 2026, 00:23 UTC

The listing

What the Chrome Web Store shows, as of the last check

To check the color contrast between foreground and background of the textsSummary from the listing
Developer
Jorge Rumoroso
Enhanced Safe Browsing
Trusted. What this means →
Category
Productivity › Developer Tools
First published
6 Mar 2018
Last updated
27 Dec 2025
Version
3.8.5
Size
158 KiB
Minimum Chrome
88
Languages
1 language

English

See Chrome Web Store page ↗ View its code or download CRX ↗
Users over time As shown on the Chrome Web Store
98K100K102KTracking began 27 Sep 202627 Sep4 Oct11 Oct18 Oct25 Oct1 Nov8 Nov2026-09-27: 100,000 users2026-09-29: 100,000 users2026-10-07: 100,000 users2026-10-13: 100,000 users2026-10-20: 100,000 users2026-10-28: 100,000 users2026-11-04: 100,000 users2026-11-11: 100,000 users100,00098K100K102KTracking began27 Sep18 Oct8 Nov2026-09-27: 100,000 users2026-09-29: 100,000 users2026-10-07: 100,000 users2026-10-13: 100,000 users2026-10-20: 100,000 users2026-10-28: 100,000 users2026-11-04: 100,000 users2026-11-11: 100,000 users100K
Average rating
3.803.9027 Sep11 Oct25 Oct8 Nov3.863.803.9027 Sep18 Oct8 Nov3.86
Number of ratings
3527 Sep11 Oct25 Oct8 Nov353527 Sep18 Oct8 Nov35
New version One point per check. Source: the extension's public Chrome Web Store listing.
Show the numbers
CheckedUsersRatingRatings
2026-11-11100,0003.8635
2026-11-04100,0003.8635
2026-10-28100,0003.8635
2026-10-20100,0003.8635
2026-10-13100,0003.8635
2026-10-07100,0003.8635
2026-09-29100,0003.8635
2026-09-27100,0003.8635
Users, 7 days
No change
since a week ago
Users, 30 days
No change
+0.0%
Rank
#1,054
by users, of 292,130 extensions
In its category
#102
of 30,442 in Developer Tools

What changed

Every change found on a check, newest first

No changes found since tracking began on 27 Sep 2026.

Developer history

Moves to another publisher account and new contact emails, newest first

No move to another account and no new contact email since tracking began on 27 Sep 2026.

We know contact emails only by a keyed hash, so they're never shown. Recent account and contact changes →

What it can access

From the extension's manifest, in plain language

Every websiteIt can read and change your data on all the sites you visit.
Sites
  • <all_urls>Every website
Sites where it runs scripts
  • <all_urls>Every website
Browser features
  • activeTabThe tab you're on, only after you click the extension
  • storageSave settings and data in your browser
  • webNavigationFollow your browsing, page by page

More from this developer

Other extensions from the same publisher account

ExtensionUsersRatingRatingsCategory
HeadingsMap100,000 4.5183 Developer Tools
All 2 extensions by Jorge Rumoroso →

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 11 Nov 2026, 00:23 UTC; next check around 17 Nov 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “WCAG Color contrast checker” (plnahcmalebffmaghcpcmpaciebdhgdf). Chrome Web Store data, last checked 2026-11-11. https://extensiontracker.com/extension/plnahcmalebffmaghcpcmpaciebdhgdf. Accessed 2026-11-13.
BibTeX
@misc{extensiontracker_plnahcmalebffmaghcpcmpaciebdhgdf,
  title   = {WCAG Color contrast checker (plnahcmalebffmaghcpcmpaciebdhgdf)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-11},
  url     = {https://extensiontracker.com/extension/plnahcmalebffmaghcpcmpaciebdhgdf},
  urldate = {2026-11-13}
}

The data is free to reuse under CC BY 4.0.

Browse

Top lists

Productivity

Lifestyle

Make Chrome Yours