HueCheck

HueCheck is a simple offline color contrast and readability checker for designers, developers, students and content creators. Choose a foreground color and background color to instantly calculate their contrast ratio and check common readability levels. COLOR CONTRAST CHECKER Enter colors using HEX or RGB values and see the result immediately. HueCheck shows: • Contrast ratio • Normal text AA • Normal text AAA • Large text AA • Large text AAA LIVE PREVIEW See your selected text and background colors together in a live preview before using them in your designs. HEX AND RGB SUPPORT Enter six-digit HEX colors or RGB values from 0 to 255. HueCheck keeps HEX and RGB values synchronized automatically. SWAP COLORS Quickly swap the foreground and background colors while keeping the same contrast relationship. SUGGEST ACCESSIBLE COLOR HueCheck can automatically choose black or white as a readable foreground option based on your current background color. SAVE COLOR PAIRS Save useful foreground and background combinations for later. You can: • Save color pairs • Rename them • Reuse them • Delete them HueCheck supports up to 30 saved color pairs. LIGHT AND DARK THEMES Choose from: • System • Light • Dark OFFLINE AND PRIVATE HueCheck works completely offline. The app does not require: • An account • Internet access • Camera access • Microphone access • Location access Your selected colors, theme and saved color pairs stay locally on your device. HueCheck is designed to provide a focused, fast and privacy-friendly way to check color readability.