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Head-to-head · Color Contrast Checker Software

Colour Contrast Analyser (CCA) vs Colors on the Web Contrast Checker

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Colour Contrast Analyser (CCA) #4 in Color Contrast Checker Software 8.5/10 Free plan Free plan✓ 0 of 2 features Visit Vispero
Colors on the Web Contrast Checker #7 in Color Contrast Checker Software 7.8/10 Free plan Free plan✓ 1 of 2 features Visit site

Colour Contrast Analyser (CCA) leads on 0 checks, Colors on the Web Contrast Checker on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreColour Contrast Analyser (CCA) · 8.5/10
  • Free planboth
  • Most featuresColors on the Web Contrast Checker · 1 of 2

Colour Contrast Analyser (CCA) scores higher on our rubric for color contrast checker software: 8.5 against 7.8 out of 10; our editors rank them #4 and #7.

Colour Contrast Analyser (CCA) is the better fit for desktop users needing precise manual color analysis. Colors on the Web Contrast Checker is the better fit for people checking individual color combinations.

  • Colour Contrast Analyser (CCA) fits best

    Desktop users needing precise manual color analysis

  • Colors on the Web Contrast Checker fits best

    People checking individual color combinations

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Side by side

Feature Colour Contrast Analyser (CCA) 8.5/10 Visit ↗ Colors on the Web Contrast Checker 7.8/10 Visit ↗
At a glance
Editor score 8.5 7.8
Ranking #4 in Color Contrast Checker Software #7 in Color Contrast Checker Software
Best for Desktop users needing precise manual color analysis People checking individual color combinations
Pricing model Free Free
Starting price Free plan Free
Free plan ✓ ✓
Free trial — —
Deployment Desktop Cloud
Platforms Windows, macOS Web
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business
Features Colour Contrast Analyser (CCA) 0/2 · Colors on the Web Contrast Checker 1/2
Contrast suggestions Not checked yet ✓ (best)
Batch color-pair checks Not checked yet Not checked yet
Specs
WCAG standards Not checked yet 2.2
Contrast modes Not checked yet Text, graphics and UI
Design integrations Not checked yet Not checked yet
Platforms Not checked yet web
Our review
Pros
  • Reports contrast against WCAG 2.0, 2.1 and 2.2 criteria
  • Samples screen colors and accepts HEX, RGB, HSV and HSL values
  • Simulates eight vision-deficiency settings and previews examples
  • Checks text, UI, and graphics against WCAG 2.1 and 2.2 AA and AAA requirements
  • Suggests calculated color adjustments and AI-powered alternatives
  • Includes text previews, color-vision simulation, and shareable links
Cons
  • Checks selected color pairs rather than scanning sites or apps
  • Does not offer remediation guidance
  • Available for Windows and macOS, not as a browser extension
  • Evaluates one foreground/background combination at a time
  • Does not determine whether an entire website conforms to WCAG
  • Available as a web tool rather than a desktop or mobile app
Our verdict

Colour Contrast Analyser (CCA) is a free desktop tool from Vispero for evaluating foreground and background color contrast. It suits designers, developers and other people assessing digital content for users with low vision or color-vision…

Read the review →

Colors on the Web Contrast Checker is a free browser-based tool for people who need to assess individual foreground and background color combinations. It checks text, UI components, and graphics against WCAG 2.1 and 2.2 AA and AAA…

Read the review →
  1. Colour Contrast Analyser (CCA)Color Contrast Checker Software 8.5Free plan
  2. Colors on the Web Contrast CheckerColor Contrast Checker Software 7.8Free plan

Strengths and trade-offs

  • Colour Contrast Analyser (CCA) — where it wins

    • Reports contrast against WCAG 2.0, 2.1 and 2.2 criteria
    • Samples screen colors and accepts HEX, RGB, HSV and HSL values
    • Simulates eight vision-deficiency settings and previews examples

    Where it doesn't

    • Checks selected color pairs rather than scanning sites or apps
    • Does not offer remediation guidance
    • Available for Windows and macOS, not as a browser extension

  • Colors on the Web Contrast Checker — where it wins

    • Checks text, UI, and graphics against WCAG 2.1 and 2.2 AA and AAA requirements
    • Suggests calculated color adjustments and AI-powered alternatives
    • Includes text previews, color-vision simulation, and shareable links

    Where it doesn't

    • Evaluates one foreground/background combination at a time
    • Does not determine whether an entire website conforms to WCAG
    • Available as a web tool rather than a desktop or mobile app
  • Colour Contrast Analyser (CCA)8.5/10 · Free plan

    A free desktop checker for precise, manual analysis of selected color pairs.

    Visit VisperoFull verdict →
  • Colors on the Web Contrast Checker7.8/10 · Free plan

    A free web checker for evaluating individual text, graphics, and UI color combinations.

    Visit siteFull verdict →

More comparisons

All color contrast checker software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update