Free online tool for generating random HEX, RGB, and HSL colors instantly
Stage
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Founded
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Based in
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Pricing model
Freemium
Free
Pricing
Free: 20 exports per month, up to 40 pages per book, PDF export. Essentials: $9/month (or $90/year) with unlimited exports, up to 80 pages per book, one Brand Kit, Google Fonts import. Pro: $24/month (or $240/year) with everything in Essentials plus multiple Brand Kits, up to 300 pages, PDF and EPUB
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Key features
Live paginated preview
Markdown support with formatting
Multiple typeface control
Brand Kits for design reuse
Custom font uploads
Google Fonts integration
Custom covers and backgrounds
Table header row repetition
EPUB export
No watermark on any plan
Instant random color generation with spacebar shortcut
HEX, RGB, and HSL color code display with 1-click copy
2 to 10 color harmonized palette generator with smart color locking
Export palettes to CSS Variables, SVG, PNG, and shareable URLs
WCAG 2.1 contrast checker with relative luminance calculation
Color of the Day inspiration
Local-first saved palettes storage with zero tracking
Browser sidepanel for inspecting colors and testing contrast
Color Eye Quiz mini-game to test designer skills
What makes it different
Real-time page preview matches the export exactly
Server-side rendering with no watermark
Design reusable across multiple books
Automatic font embedding in exports
Full ownership of exported content
0-latency generation with instant spacebar triggering
Exact conversions across HEX, RGB, HSL with automated WCAG 2.1 contrast metrics
Hyper-focused neutral UI allowing generated hues to take center stage
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