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Head-to-head · Color Contrast Checker Software

Acquia Color Contrast Checker (formerly Monsido Contrast Checker) vs Silktide Color Contrast Checker

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Acquia Color Contrast Checker (formerly Monsido Contrast Checker) #2 in Color Contrast Checker Software 9.0/10 Free plan Free plan✓ 0 of 2 features Visit Acquia
Silktide Color Contrast Checker #3 in Color Contrast Checker Software 8.7/10 Free plan Free plan✓ 1 of 2 features Visit Silktide

Acquia Color Contrast Checker (formerly Monsido Contrast Checker) leads on 0 checks, Silktide Color Contrast Checker on 1, and 2 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 scoreAcquia Color Contrast Checker (formerly Monsido Contrast Checker) · 9.0/10
  • Free planboth
  • Most featuresSilktide Color Contrast Checker · 1 of 2

Acquia Color Contrast Checker (formerly Monsido Contrast Checker) scores higher on our rubric for color contrast checker software: 9.0 against 8.7 out of 10; our editors rank them #2 and #3.

On contrast modes, Silktide Color Contrast Checker gives you Text, graphics and UI where Acquia Color Contrast Checker (formerly Monsido Contrast Checker) offers Text. Silktide Color Contrast Checker offers contrast suggestions; Acquia Color Contrast Checker (formerly Monsido Contrast Checker) doesn't.

Acquia Color Contrast Checker (formerly Monsido Contrast Checker) is the better fit for buyers who want a simple, established web checker. Silktide Color Contrast Checker is the better fit for web teams checking live pages in Chrome.

  • Acquia Color Contrast Checker (formerly Monsido Contrast Checker) fits best

    Buyers who want a simple, established web checker

  • Silktide Color Contrast Checker fits best

    Web teams checking live pages in Chrome

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Side by side

Feature Acquia Color Contrast Checker (formerly Monsido Contrast Checker) 9.0/10 Visit ↗ Silktide Color Contrast Checker 8.7/10 Visit ↗
At a glance
Editor score 9.0 8.7
Ranking #2 in Color Contrast Checker Software #3 in Color Contrast Checker Software
Best for Buyers who want a simple, established web checker Web teams checking live pages in Chrome
Pricing model Free Free
Starting price Free plan Free
Free plan ✓ ✓
Free trial — —
Deployment Cloud Browser extension
Platforms Web Chrome extension
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Acquia Color Contrast Checker (formerly Monsido Contrast Checker) 0/2 · Silktide Color Contrast Checker 1/2
Contrast suggestions — ✓ (best)
Batch color-pair checks — Not checked yet
Specs
WCAG standards 2.2 Not checked yet
Contrast modes Text Text, graphics and UI
Design integrations Not checked yet Not checked yet
Platforms web Chrome extension
Our review
Pros
  • Checks foreground/background contrast and shows ratio guidance against WCAG thresholds
  • Accepts RGB and hexadecimal values, with an on-page color selector
  • Lets you adjust color lightness while reviewing a color pair
  • Checks text and interactive elements against their backgrounds.
  • Reports pass/fail results for WCAG levels A, AA, and AAA.
  • Can scan staging or unpublished pages and suggest remediation steps.
Cons
  • Checks text contrast only, rather than other contrast modes
  • Does not suggest alternative colors that meet contrast guidance
  • Does not support batch checking of color pairs
  • Available as a Chrome extension, limiting browser choice.
  • Focused on contrast checking rather than broader accessibility review.
  • Help is provided through guides, with no other support channel listed.
Our verdict

Acquia Color Contrast Checker is a free online tool for people designing website text and other content who need to assess foreground and background color contrast. It accepts RGB and hexadecimal values, or lets users choose colors with…

Read the review →

Silktide Color Contrast Checker is a free tool within Silktide’s Accessibility Checker Chrome extension. It is intended for people assessing the accessibility of live or draft webpages, including staging pages. Users can select foreground…

Read the review →
  1. Acquia Color Contrast Checker (formerly Monsido Contrast Checker)Color Contrast Checker Software 9.0Free plan
  2. Silktide Color Contrast CheckerColor Contrast Checker Software 8.7Free plan

Strengths and trade-offs

  • Acquia Color Contrast Checker (formerly Monsido Contrast Checker) — where it wins

    • Checks foreground/background contrast and shows ratio guidance against WCAG thresholds
    • Accepts RGB and hexadecimal values, with an on-page color selector
    • Lets you adjust color lightness while reviewing a color pair

    Where it doesn't

    • Checks text contrast only, rather than other contrast modes
    • Does not suggest alternative colors that meet contrast guidance
    • Does not support batch checking of color pairs

  • Silktide Color Contrast Checker — where it wins

    • Checks text and interactive elements against their backgrounds.
    • Reports pass/fail results for WCAG levels A, AA, and AAA.
    • Can scan staging or unpublished pages and suggest remediation steps.

    Where it doesn't

    • Available as a Chrome extension, limiting browser choice.
    • Focused on contrast checking rather than broader accessibility review.
    • Help is provided through guides, with no other support channel listed.
  • Acquia Color Contrast Checker (formerly Monsido Contrast Checker)9.0/10 · Free plan

    A free web checker for reviewing color pairs against WCAG contrast thresholds.

    Visit AcquiaFull verdict →
  • Silktide Color Contrast Checker8.7/10 · Free plan

    A free Chrome extension for checking page text and interface contrast against WCAG.

    Visit SilktideFull 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