Contrast - A macOS app for quick access to WCAG color contrast ratios
Chroma - Welcome to Chroma Cutlery Cnife - Manufacturer of kitchen knives, includes products and contact information.
Hues - The most lightweight color picker for Mac ever
ColorSnapper - The missing color picker for Mac.
Colour Contrast Analyser - TPGi's ADA Color Contrast Checker checks for helps determine the accessibility the contrast ratio of two colors for WCAG AA and AAA.
Data Color Picker - Create visually-equidistant palettes for data visualizations