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ColorUI vs Image Outliner

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

ColorUI compared with Image Outliner
DetailColorUI logo ColorUIImage Outliner logo Image Outliner
What it doesThe ultimate color toolkit for designers, decorators, artists, and creators. 40+ free tools, no sign-up, fast on every device. Free image to outline converter for clean outlines, stencils, and line drawings
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Freemium
PricingNot given Free: $0 with unlimited local tools and 12 signup credits. Maker: $8.99/mo with 160 monthly AI credits. Studio: $19.99/mo with 420 monthly AI credits. Unlimited: $99.99/mo with unlimited AI usage. One-time packs: Try Pack $3.99 (25 credits), Project Pack $10.99 (120 credits), Batch Pack $29.99 (280
Key features
  • Palette Generator
  • Color Picker with HEX, RGB, HSL, OKLCH, LAB outputs
  • Image Color Extractor
  • WCAG and APCA Contrast Checker
  • Color Blindness Simulator
  • CSS Gradient Generator
  • Design Token Export W3C DTCG
  • Color Wheel Harmonies
  • Tailwind Color Palette
  • Material You Colors
  • Local browser preview without signup
  • Multiple outline styles: Clean Outline, Edge Map, Stencil, Thin Lines, Cricut Cut Lines
  • Adjustable stroke, smoothing, threshold, and outline color
  • Transparent PNG output for stickers and layered designs
  • AI Enhance for cleaner print-ready results
  • Supports JPG, PNG, and WEBP formats
  • No watermark on free exports
  • Credit-based AI processing system
What makes it different
  • No sign-ups, no paywalls, runs entirely in browser
  • Perceptually uniform color math with OKLCH and LAB
  • Accessibility-first design with inline contrast and CVD simulation
  • Export to multiple formats: CSS, Tailwind, SCSS, W3C tokens, Android, iOS
  • Wide-gamut Display P3 and CSS Color Level 4 support
  • Free local tools work without account or AI cost
  • Faster than manual editors like Photoshop or Canva
  • Privacy by default with local processing
  • Focused workflow without unnecessary complexity
Community votes00
DR (Domain Rating by Ahrefs)1 no change since last check23 −1 (down) since last check
Trust Flow (Majestic)84
Citation Flow (Majestic)728
Referring domains (Majestic)969

4 details filled in for both companies.

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