ColorUI vs FlowViz
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 FlowViz
| Detail | 
ColorUI | 
FlowViz |
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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 live Mermaid diagram editor with no signup required
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | Not given
| 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 preview as you type
- 21 diagram types including flowcharts, sequence, class, state, ER, Gantt, git graph, mindmap and timeline
- Two-way editing for flowcharts
- SVG and PNG export
- Share diagrams as URLs with embedded diagram content
- Built-in template picker and cheatsheet
- No account or signup required
- Works entirely in browser with local storage
- Open Mermaid Live Editor links
- Mermaid v11 syntax support
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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
| - No signup, paywall, or data collection required
- Diagrams stay in your browser's local storage by default
- Two-way editing that updates code when you edit the canvas
- Live preview with no render button required
- Clean SVG export for professional use in docs and slides
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ● no change since last check | 10 ▼ −4 (down) since last check |
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| Trust Flow (Majestic) | 8 | 5 |
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| Citation Flow (Majestic) | 7 | 27 |
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| Referring domains (Majestic) | 9 | 76 |
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4 details filled in for both companies.
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