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Starlight Tools WCAG Color Contrast Checker

Free#10 of 23 in Color Contrast Checker Software

Starlight Tools WCAG Color Contrast Checker: A free browser-based checker for individual or batch WCAG color reviews. Ranked #10 of 23 in Color Contrast Checker Software by our editors (7.5/10); pricing: Free plan; best for users checking or exporting batches of color pairs.

7.5/10Editor score

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Starlight Tools WCAG Color Contrast Checker7.5 Visit site

At a glance

Editor score
7.5 / 10
Pricing
Free plan
Best for
Users checking or exporting batches of color pairs
Free plan
Yes
Paid from
None
Founded
2025
Facts checked
4 Oct 2026

Where it wins
- Checks WCAG 2.1 and 2.2 AA and AAA contrast thresholds.
- Samples colors from uploaded images and screenshots.
- Checks batches of color pairs and exports results as CSV.
Where it doesn't
- Available only as a web tool.
- Support is offered through email.
- A newer product, founded in 2025, with limited track record.

Our verdict on Starlight Tools WCAG Color Contrast Checker

Starlight Tools WCAG Color Contrast Checker is a free web tool for people reviewing interface colors for accessibility, including solo practitioners and small teams. It checks foreground and background pairs against WCAG 2.1 and 2.2 AA and AAA requirements. Results cover normal and large text, graphical objects, UI components, and links identified by color alone, making it relevant to more than text-only contrast reviews.

Its breadth is most useful when colors come from existing visual work rather than a list of known values. The checker accepts HEX, RGB(A), HSL(A), HEX8, and CSS named colors, and it can sample pixels from uploaded images or screenshots. When a pair falls short, it provides fix suggestions. Batch checking and CSV export support reviews involving multiple pairs, while reports can also be copied or downloaded as CSV. These capabilities make it a practical fit for checking or documenting a set of interface colors in one workflow.

The product runs in a web browser, and its pricing model is free. Support is through email; the vendor describes the tool as running locally in the browser and lists cloud deployment. Starlight Robotics was founded in 2025, so buyers who prioritize a longer-established product or a broader platform ecosystem may prefer to compare alternatives. For users who mainly need browser-based WCAG checks, image sampling, and batch exports, the focused feature set is a strong match; those needing a non-web option should look elsewhere.

Your product? Our editors can test Starlight Tools WCAG Color Contrast Checker in depth and publish a review, labelled as paid · from $99/mo →

Starlight Tools WCAG Color Contrast Checker pricing

Plans Free planFree Free to use — no paid tier required for the core job.

See plans on starlighttools.org

Starlight Tools WCAG Color Contrast Checker fact sheet

Free plan	Yes
Paid from	None
WCAG standards	Not verified
Contrast modes	Text, graphics and UI
Contrast suggestions	Yes
Design integrations	Not verified
Platforms	web
Batch color-pair checks	Yes
Deployment	Cloud
Platforms	Web
Support	Email
Built for	Solo, Small business (editorial estimate)
Pricing	Free plan
Website	starlighttools.org
Facts checked	4 Oct 2026

Alternatives to Starlight Tools WCAG Color Contrast Checker

See all Starlight Tools WCAG Color Contrast Checker alternatives →

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Featured on iTechGuides

Starlight Tools WCAG Color Contrast Checker is listed in our Color Contrast Checker Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. How we rank.

Last updated 20 Oct 2026 · How we research and update