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Starlight Tools WCAG Color Contrast Checker review

Free#10 of 23 in Color Contrast Checker Software

A free browser-based checker for individual or batch WCAG color reviews.

7.5/10Editor score
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Starlight Tools WCAG Color Contrast Checker7.5 Visit site

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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.

Starlight Tools WCAG Color Contrast Checker pros and cons

  • 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.

Starlight Tools WCAG Color Contrast Checker fact sheet, pricing and score →

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