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ColorUI vs Stamp Creator Online

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 Stamp Creator Online
DetailColorUI logo ColorUIStamp Creator Online logo Stamp Creator Online
What it doesThe ultimate color toolkit for designers, decorators, artists, and creators. 40+ free tools, no sign-up, fast on every device. Design custom stamps online with editable text, logos and borders
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Freemium
PricingNot given One stamp: PNG $2.50, Vector package $2.90, Complete package $3.50. Monthly unlimited: $15.90/month or $9.90/month yearly at $119/year. Lifetime access: $299 one-time.
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
  • Editable text, borders and logos that stay separate during design
  • Multiple stamp shapes including circle, rectangle and triangle
  • Real-time preview while editing
  • Logo and image upload support
  • Ink effect and aging options
  • Multiple export formats: PNG, SVG, EPS, PDF, JPG, DOCX
  • Save and re-edit designs anytime in browser
  • Customizable plate size in millimetres
  • My Library for storing up to 50 designs free or 1,000 with paid plan
  • Works on desktop, tablet and mobile browsers
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
  • Every design element stays editable as separate layers, making revisions faster than redrawing
  • Free to design and preview; you only pay for files you download
  • Instant download in six file formats for different uses
  • No software installation required; works entirely in your browser
  • Ready-made templates for common stamp uses like company seals, notary stamps and address labels
Community votes00
DR (Domain Rating by Ahrefs)1 no change since last check20 +1 (up) since last check
Trust Flow (Majestic)86
Citation Flow (Majestic)719
Referring domains (Majestic)931

4 details filled in for both companies.

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