Explore 800+ hand-picked color palettes, build your own with color theory or a photo, and copy any hex with a tap
Explore 800+ hand-picked color palettes, build your own with color theory or a photo, and copy any hex with a tap. Everything syncs across iPhone, iPad, and Mac through iCloud.
A Book of Colors is a color palette explorer and generator for designers, developers, artists, and anyone who works with color.
CURATED LIBRARY
• 800+ hand-picked palettes in the Starter Kit, organized by mood: warm, cool, vibrant, neutral, and dark
• Optional palette packs you can show or hide
• Filter by mood, source, and number of colors
CREATE YOUR OWN
• Generate from a base color: pick a color, choose a harmony (complementary, analogous, triadic, split-complementary, tetradic, or monochromatic), and get a balanced palette computed in a perceptual color space
• Manual builder: choose every color by hand
• Photo extraction: pull the dominant colors out of any photo
Edit and remix
• Edit any palette in place: drag the color chips to reorder, tap to recolor, add or remove colors up to ten
• Edit the full-screen palette directly: press and hold to enter edit mode on the canvas
SHARE & EXPORT
• Export any palette as a clean, labeled image with hex and RGB values
• Send it anywhere with the share sheet
MADE TO EXPLORE
• Swipe up and down to move through palettes
• Swipe left and right to change the layout
• Tap any color to copy its hex code
• Ambient mode: palettes drift and auto-cycle, full screen
SYNCS EVERYWHERE
• Saved palettes, photo extractions, generated palettes, and likes sync across every device signed into your iCloud, including source photos
• See sync status at a glance and trigger a sync manually any time
Designed and built by Jason Gouliard