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Chrome extensionwhat they say

Colour Contrast Checker

Check the contrast between different colour combinations against WCAG standards

★★★☆☆3.4 (40) · 40k+ users
Free
Website ↗ Chrome Web Store ↗
what mrrlens sees
MRR · No price listedNo price in the listing
Opportunity—
Buyer threads · 30 d0
“Doesn't work as of windows 11 and Chrome version 10.30.25.”
#1 complaint · Bugs/Reliability · 67% of complaints read · analysed Nov 1, 2026 · source

01Revenue

No price in the listing

Store data from the Chrome Web Store listing, refreshed daily. Updated 3 d ago.

02Why users leave Colour Contrast Checker

Bugs/Reliability4 reviews · 67%

Extension fails to start or respond on Windows 11, Chrome, MacBook Pro, and Brave; clicking icon does nothing.

“Doesn't work as of windows 11 and Chrome version 10.30.25.” source ↗
1 more complaint, with verbatim quotesIncluded in the day pass and Pro.
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Sample: 6 recent complaints (1–3★ reviews) · clustered Nov 1, 2026 · complaints from Dec 2022–Nov 2025, 67% in the last 24 months · each review labelled by a model, quotes verbatim

03How to build a better Colour Contrast Checker

Build difficultyLowLow: simple browser extension; no payments, regulation, hardware, or network effects; cross-browser reliability is main work.
Three build ideas that answer these complaintsIncluded in the day pass and Pro.
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04Who wants a better Colour Contrast Checker

0 buyer threads in the last 30 days name Colour Contrast Checker, and 6 more are in the same market.

05Questions about Colour Contrast Checker

How much revenue does Colour Contrast Checker make?

Colour Contrast Checker's listing publishes no price and no paid plan, so MRRLens shows no revenue estimate. It may still charge on its own website; a founder can verify the real figure.

What do users complain about most in Colour Contrast Checker?

Across 6 recent complaints, the most common is bugs/reliability (67%). Extension fails to start or respond on Windows 11, Chrome, MacBook Pro, and Brave; clicking icon does nothing.

What are the best Colour Contrast Checker alternatives?

The closest alternative MRRLens found is WCAG Color contrast checker. Why users leave is on the Colour Contrast Checker alternatives page.

How many people use Colour Contrast Checker?

Colour Contrast Checker lists 40k+ users on the Chrome Web Store, rated 3.4 (40).

See the full x-ray of Colour Contrast Checker

Full 1-star breakdown with verbatim quotes, the build blueprint and every live thread — on every product.