OddContrast
A web-based tool for checking color contrast ratios and accessibility compliance with WCAG standards.
Score
60
User Rating
3.0
Free/Trial Support
Supported
Starting Price
--
Last Updated
Oct 24, 2026
Overview
What is OddContrast?
OddContrast is a color contrast checker that helps designers and developers ensure their color combinations meet WCAG accessibility guidelines. It supports various color formats and provides real-time contrast ratio calculations.
What is OddContrast used for?
Top Features
- Real-time contrast ratio calculation
- Support for multiple color formats (Hex, HSL, Lab, LCH, Oklab, OklCh)
- WCAG AA and AAA compliance checks
- Gamut mapping and out-of-gamut warnings
- Color swapping and copying
How to use OddContrast?
Select background and foreground colors using sliders or input values in different formats (Hex, HSL, Lab, etc.). The tool automatically calculates contrast ratios and indicates if they pass AA or AAA standards for normal and large text.
Alternative Tools
No alternative tools found
Pros & Cons
Pros
- Free to use
- Comprehensive color format support
- User-friendly interface
- Detailed accessibility feedback
Cons
- No offline mode
- Limited to web platform
- Alpha values not fully considered in contrast calculations
Use Cases
- Web design accessibility testing
- UI/UX color palette validation
- Educational tool for learning color theory
OddContrast Pricing
Free Plan
No detailed pricing information available
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