Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Color Contrast Checker Software

Colour Contrast Analyser (CCA) vs Accessibility.build Desktop

  • Updated Oct 2026
  • Both researched from official sources
  • 3 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
Accessibility.build Desktop #8 in Color Contrast Checker Software 7.7/10 Free plan Free plan✓ 1 of 2 features Visit site

Colour Contrast Analyser (CCA) leads on 0 checks, Accessibility.build Desktop on 0, and 3 are even. Who comes out ahead on the 3 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 featuresAccessibility.build Desktop · 1 of 2

Colour Contrast Analyser (CCA) scores higher on our rubric for color contrast checker software: 8.5 against 7.7 out of 10; our editors rank them #4 and #8.

Colour Contrast Analyser (CCA) is the better fit for desktop users needing precise manual color analysis. Accessibility.build Desktop is the better fit for mac users auditing on-screen designs.

  • Colour Contrast Analyser (CCA) fits best

    Desktop users needing precise manual color analysis

  • Accessibility.build Desktop fits best

    Mac users auditing on-screen designs

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. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Colour Contrast Analyser (CCA) 8.5/10 Visit ↗ Accessibility.build Desktop 7.7/10 Visit ↗
At a glance
Editor score 8.5 7.7
Ranking #4 in Color Contrast Checker Software #8 in Color Contrast Checker Software
Best for Desktop users needing precise manual color analysis Mac users auditing on-screen designs
Pricing model Free Free
Starting price Free plan Free
Free plan ✓ ✓
Free trial — —
Deployment Desktop Desktop
Platforms Windows, macOS macOS
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Colour Contrast Analyser (CCA) 0/2 · Accessibility.build Desktop 1/2
Contrast suggestions Not checked yet ✓ (best)
Batch color-pair checks Not checked yet —
Specs
WCAG standards Not checked yet 2.2
Contrast modes Not checked yet Text
Design integrations Not checked yet GitHub, Jira
Platforms Not checked yet macOS
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
  • Samples gradients for worst-case pixels and suggests passing colors
  • Annotates issues with WCAG criteria and severity
  • Exports issue lists to GitHub or Jira
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
  • Available only on macOS 12 or later with Apple Silicon
  • Does not support batch color-pair checks
  • Focuses on on-screen checks rather than full-page scans
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 →

Accessibility.build Desktop is a free menu-bar app for designers, developers, and accessibility auditors who need to check colors directly on a Mac screen. Its contrast picker samples foreground and background pixels through a magnified…

Read the review →
  1. Colour Contrast Analyser (CCA)Color Contrast Checker Software 8.5Free plan
  2. Accessibility.build DesktopColor Contrast Checker Software 7.7Free 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

  • Accessibility.build Desktop — where it wins

    • Samples gradients for worst-case pixels and suggests passing colors
    • Annotates issues with WCAG criteria and severity
    • Exports issue lists to GitHub or Jira

    Where it doesn't

    • Available only on macOS 12 or later with Apple Silicon
    • Does not support batch color-pair checks
    • Focuses on on-screen checks rather than full-page scans
  • Colour Contrast Analyser (CCA)8.5/10 · Free plan

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

    Visit VisperoFull verdict →
  • Accessibility.build Desktop7.7/10 · Free plan

    A focused Mac app for checking on-screen contrast and documenting accessibility issues.

    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