Design canvas where AI agents and humans work together
Free online tool for generating random HEX, RGB, and HSL colors instantly
Stage
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Founded
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Based in
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Pricing model
Freemium
Free
Pricing
Free: unlimited editors and viewers, 1 workspace with 3 files, 200 agent actions a day. Pro: $20 per editor per month (billed monthly) or $16 per editor per month (billed yearly), includes unlimited files and workspaces, unlimited agent actions, version history. Team: $35 per editor per month (bille
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Key features
Real HTML and CSS designs that agents can edit directly
Auto layout, components with variants, and variables with modes
Figma import and export capability
Design system integration with skills and guardrails
Comment-based task assignment for agents
MCP server with 59 tools for reading, drawing and editing
Real-time live collaboration with team and agents
Version history and restore functionality
Copy frames as HTML, React or Tailwind code
Mac app with local MCP server for offline agent work
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
What makes it different
Agents work in real HTML and CSS, not converted designs
No separate AI credits to pay for agent usage
Design system enforcement so agents follow brand guidelines automatically
Works with any MCP client including Claude, ChatGPT, Cursor and Codex
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