ColorUI vs Box Blanks
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 Box Blanks
| Detail | 
ColorUI | 
Box Blanks |
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| What it does | The ultimate color toolkit for designers, decorators, artists, and creators. 40+ free tools, no sign-up, fast on every device.
| Free parametric packaging dieline generator for FEFCO and ECMA box styles
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| Stage | Not given
| Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
| Not given
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| 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
| - Live 2D preview and 3D fold visualization
- Real-time dimension updates
- Three dimension entry options (inside, outside, crease-to-crease)
- 244 FEFCO corrugated box codes
- 206 ECMA folding carton codes
- Plate-checked badge system for template accuracy
- Adjustable parameters for board caliper, slot widths and corner clearances
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| 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
| - Parametric generation redraws correctly when dimensions change, not stretching a picture
- No signup required and no per-download charges
- Browser-based with no uploads or stored files
- Files suitable for commercial manufacturing
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ● no change since last check | 3 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 8 | 0 |
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| Citation Flow (Majestic) | 7 | 15 |
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| Referring domains (Majestic) | 9 | 19 |
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4 details filled in for both companies.
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