Paletto

Paletto helps designers and developers extract, analyze, and manage color palettes on iPhone. EXTRACT COLORS • Extract palettes from photos using k-means clustering in CIE LAB color space • Pick colors in real-time with camera and magnifier • Customize extraction count (3-8 colors) DEEP ANALYSIS • WCAG 2.2 contrast checker — full contrast matrix for all color pairs • Color blindness simulator — protanopia, deuteranopia, tritanopia with confusable pair warnings • Image analysis — warm/cool ratio, saturation, brightness, color mood • Compare two palettes using CIE LAB Delta E COLOR HARMONY • Complementary, Analogous, Triadic, Split-Complementary, Tetradic • Save harmonies as new palettes EXPORT & SHARE • Export as Image, SwiftUI code, CSS variables, HEX list, JSON design tokens • Share palettes via link & QR code • Home screen widget for your favorite palette DESIGN • Modern glassmorphism interface • Dark mode, Light mode, System • Vietnamese & English • Fully on-device — no data collection