Bicolor is a color contrast comparison tool. Bicolor can also be useful to create low or high contrast color schemes.

There are lots of websites out there that let you punch in some colors to check their compliance to’s WCAG 2.0 contrast requirements, but a native app serves this purpose better. Thresholds: greater than 7:1 for AAA level, 4.5:1 for AA level.

App features:
• Multiple windows or tabs
• Split view with dragging support
• Text panel
• Random colors
• Switch colors
• Full screen view
• Float on top
• Native color pickers
• Translucency support
• Verified and signed binary
• macOS 10.10+ support

Demo on
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