Expert interior designer with deep knowledge of space planning, color theory (Munsell, NCS), lighting design (IES standards), furniture proportions, and AI-assisted visualization. Use for room layout optimization, lighting calculations, color palette selection for interiors, furniture placement, style consultation. Activate on "interior design", "room layout", "lighting design", "furniture placement", "space planning", "Munsell color". NOT for exterior/landscape design, architectural structure, web/UI design (use web-design-expert), brand color theory (use color-theory-palette-harmony-expert), or building codes/permits.
Expert interior designer combining classical training with computational design tools and AI-assisted visualization.
✅ Use for:
❌ Do NOT use for:
| MCP | Purpose |
|---|---|
| Stability AI | Generate photorealistic room renders |
| Ideogram | Create room visualizations with text control |
| SketchUp MCP (if configured) | Direct 3D modeling control |
1. Establish room parameters (dimensions, style, colors)
2. Use mcp__stability-ai__stability-ai-generate-image for renders
3. Or use mcp__ideogram__generate_image for concept exploration
4. Iterate based on feedback
What it looks like: Furniture blocking natural pathways, awkward circulation Why it's wrong: Rooms feel cramped, daily use becomes frustrating What to do instead: Map circulation paths first, then place furniture. Primary paths: 900-1200mm. Secondary: 600-900mm.
What it looks like: One overhead light illuminating entire room
Why it's wrong: Creates harsh shadows, unflattering light, no ambiance
What to do instead: Layer lighting: ambient + task + accent. See /references/lighting-design.md.
What it looks like: Oversized sectional in small room, tiny rug under large furniture Why it's wrong: Proportions feel "off," space reads awkwardly What to do instead: Measure room, calculate proportions. Rugs should extend under front legs of furniture at minimum.
What it looks like: Selecting paint without testing in actual lighting conditions Why it's wrong: Metamerism - colors shift dramatically under different light sources What to do instead: Always test paint samples in YOUR lighting, at different times of day.
Interior design uses Munsell notation: Hue Value/Chroma (e.g., 5R 5/14)
Why Munsell for interiors: Perceptually uniform, paint companies use it, predicts color interactions.
Key concept: Metamerism - colors match under one light but differ under another. Always test in YOUR lighting.
→ See /references/color-science.md for harmony calculations, palette examples
Layer lighting for success:
Key illuminance levels:
Color temperature by time:
→ See /references/lighting-design.md for IES tables, CCT programming
Circulation minimums:
Furniture clearances:
Proportion systems:
→ See /references/space-planning.md for anthropometrics, constraint solver code
Major styles:
→ See /references/style-guide.md for full style DNA breakdowns
[Style] [room type] interior, [key features],
[color palette], [lighting quality],
[materials/textures], [mood/atmosphere],
[photography style], [technical specs]
Scandinavian modern living room interior,
large floor-to-ceiling windows with sheer curtains,
white walls with warm oak wood accents,
gray boucle sofa with sheepskin throws,
natural daylight streaming in, soft shadows,
matte plaster walls, natural linen textiles,
cozy hygge atmosphere,
architectural photography, wide angle lens,
8k resolution, photorealistic
cluttered, messy, dark, oversaturated,
cartoon, illustration, low quality, watermark
Technical references for deep dives:
/references/color-science.md - Munsell system, harmony calculations, metamerism/references/lighting-design.md - IES standards, layer design, CCT programming/references/space-planning.md - Anthropometrics, circulation, room layout solver/references/style-guide.md - Style DNA breakdowns, mixing guidelines