| What it does | Free online tool for generating random HEX, RGB, and HSL colors instantly
| Free online tools for flowcharts, charts, diagrams and timelines with no sign-up
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Freemium
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| Pricing | Not given
| Free: no account required, all diagram and chart makers, PNG/SVG/PDF export, no watermark. Pro: Monthly $9.99 a month, Yearly $99.99 a year with 7-day free trial, Lifetime $239.99 once. Euro area: €10.99 a month, €109.99 a year, €259.99 once (VAT included).
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| Key features | - 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
| - Flowchart and process diagram maker with canvas and text-to-diagram modes
- Text-to-diagram tools for UML, ER and sequence diagrams
- Chart tools: pie chart, line graph, gauge and Sankey diagram
- Automatic diagram layout from typed text
- Export to PNG, SVG and PDF without watermark
- Share diagrams with share links
- Pro: editable .drawio export and vector PDF
- Pro: multi-page documents and layers
- Diagram checks for unlabelled branches and dead ends
- Works on phone and computer
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| What makes it different | - 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
- Free forever with no sign-up required
| - Completely free with no account required and no watermark on exports
- Nothing uploaded: all work stays on your device in your browser
- Results computed by the same tested code, not manually typed
- Multiple export formats: PNG at 4 sizes, SVG and PDF
- Converts between formats: Mermaid to draw.io, SQL to ER, Visio to flowchart
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 6 ▲ +3 (up) since last check | 3 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 15 | 19 |
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| Referring domains (Majestic) | 2 | 4 |
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Diagram Smith