| name | interior-designer |
| description | Interior design advisor covering room layout principles, color theory, furniture arrangement, lighting design, style identification, budget decorating, small space optimization, and room-by-room design guidance.
Use when the user asks about interior designer, or needs help with interior design advisor covering room layout principles, color theory, furniture arrangement, lighting design, style identification, budget decorating, small space optimization, and room-by-room design guidance.
Do NOT use when the request requires professional specialized advice or falls outside the scope of interior designer.
|
| license | Apache-2.0 |
| metadata | {"author":"foundry-skills","version":"1.0.0","tags":"home-maintenance design guide","category":"home-household","subcategory":"home-maintenance","depends":"","disclaimer":"none","difficulty":"intermediate"} |
Interior Designer
When to Use
Use this skill when:
- User asks about interior designer
- User needs guidance on interior designer topics
- User wants a structured approach to interior designer
Do NOT use when:
- Request requires professional consultation beyond educational guidance
- User needs emergency assistance
Questions to Ask the User First
- Which room(s) are you working on? (Living room, bedroom, kitchen, bathroom, office, etc.)
- Room dimensions? (Length x width, ceiling height, any unusual features)
- What's the room's primary function? (And secondary functions, if any)
- What's your budget range? (Tight/$0-500, moderate/$500-2000, comfortable/$2000-5000, generous/$5000+)
- Do you have existing furniture/decor to keep? (List key pieces and their colors)
- What styles appeal to you? (Show images if unsure -- or describe what you like)
- Natural light situation? (Which direction do windows face? How much light?)
- How many people use this space? (Adults, children, pets)
- What's not working about the current space? (Specific frustrations)
- Any constraints? (Renting, can't paint, architectural features, accessibility needs)
- Color preferences or aversions? (Love blue? Hate orange?)
- Timeline? (Weekend project or phased over months?)
Design Style Guide
Major Interior Design Styles
STYLE IDENTIFICATION MATRIX:
MODERN
Era: 1920s-1950s origin
Key features: Clean lines, minimal ornamentation, function-first
Materials: Steel, glass, concrete, smooth surfaces
Colors: Neutral palette, monochromatic, pops of bold primary
Furniture: Low-profile, geometric, no ornate detailing
Feel: Sleek, uncluttered, intentional
CONTEMPORARY
Era: Current trends (evolving)
Key features: Current design trends, borrows from multiple styles
Materials: Mixed -- natural + manufactured
Colors: Neutral base with trending accent colors
Furniture: Curved shapes, soft edges, comfort-focused
Feel: Fresh, current, livable
MID-CENTURY MODERN
Era: 1940s-1960s
Key features: Organic forms, integration with nature, retro-futuristic
Materials: Wood (walnut, teak), molded plastic, metal legs
Colors: Earthy tones + mustard, olive, burnt orange, teal
Furniture: Tapered legs, clean lines, sculptural forms
Feel: Warm, iconic, timeless
FARMHOUSE / MODERN FARMHOUSE
Era: Traditional + contemporary update
Key features: Rustic warmth, practical beauty, homey
Materials: Reclaimed wood, shiplap, natural fibers, wrought iron
Colors: White, cream, soft gray, natural wood tones, sage
Furniture: Sturdy, practical, mix of old and new
Feel: Warm, welcoming, lived-in, casual
SCANDINAVIAN
Era: 1950s Nordic origin
Key features: Simplicity, functionality, connection to nature
Materials: Light wood (birch, pine), wool, linen, leather
Colors: White, light gray, pale blue, natural wood, black accents
Furniture: Minimal, functional, organic shapes
Feel: Calm, bright, airy, cozy (hygge)
INDUSTRIAL
Era: Converted factory aesthetic
Key features: Exposed structural elements, raw finishes
Materials: Exposed brick, metal, concrete, reclaimed wood
Colors: Gray, black, rust, brown, aged metals
Furniture: Metal + wood combinations, utilitarian pieces
Feel: Urban, edgy, masculine, loft-like
TRANSITIONAL
Era: Bridge between traditional and contemporary
Key features: Classic meets modern, balanced, versatile
Materials: Mix of traditional and contemporary materials
Colors: Neutral palette, sophisticated, layered
Furniture: Clean lines with some traditional detailing
Feel: Timeless, elegant, comfortable, not trendy
BOHEMIAN
Era: 1960s-70s counterculture
Key features: Eclectic, layered, personal, rule-breaking
Materials: Rattan, macrame, textiles, plants, global finds
Colors: Rich, saturated, mixed patterns, earth tones + jewel tones
Furniture: Vintage, mixed, low seating, floor cushions
Feel: Relaxed, creative, worldly, maximalist
MINIMALIST
Era: Contemporary movement
Key features: Less is more, intentional, edited
Materials: Quality over quantity, smooth surfaces
Colors: Monochromatic, usually neutral, very limited palette
Furniture: Few pieces, each with purpose and beauty
Feel: Serene, spacious, deliberate, curated
Color Theory for Interiors
The Color Wheel in Practice
COLOR RELATIONSHIPS:
MONOCHROMATIC: One color in varying shades/tints
COMPLEMENTARY: Opposite colors on the wheel
ANALOGOUS: Adjacent colors on the wheel
TRIADIC: Three equally spaced colors
SPLIT COMPLEMENTARY: One color + two adjacent to its complement
The 60-30-10 Rule
COLOR DISTRIBUTION FORMULA:
60% - DOMINANT COLOR (walls, large furniture, rug)
30% - SECONDARY COLOR (accent furniture, curtains, bedding)
Creates visual interest and depth.
10% - ACCENT COLOR (pillows, art, accessories, flowers)
The "pop" that brings the room to life.
APPLICATION:
Room: _______________
60% color: _______________ Applied to: _______________
30% color: _______________ Applied to: _______________
10% color: _______________ Applied to: _______________
Color Psychology for Rooms
| Color Family | Psychological Effect | Best Rooms | Avoid In |
|---|
| Blue | Calm, trust, focus | Bedrooms, bathrooms, offices | Dark dining rooms |
| Green | Balance, nature, renewal | Any room, especially bedrooms | -- |
| Yellow | Energy, optimism, warmth | Kitchens, dining rooms, entries | Bedrooms (too stimulating) |
| Red | Appetite, energy, passion | Dining rooms, accent walls | Bedrooms (raises heart rate) |
| Orange | Social, creative, warm | Living rooms, studios | Bedrooms |
| Purple | Luxury, creativity, calm | Bedrooms (lavender), living rooms | Kitchens |
| White | Clean, spacious, fresh | Any room | Can feel cold without warm accents |
| Gray | Sophisticated, neutral | Any room | Can feel depressing without warm accents |
| Black | Drama, sophistication | Accents, powder rooms | Small rooms without light |
| Brown/Beige | Grounding, warm, safe | Living rooms, bedrooms | Can feel dated without fresh accents |
Room Layout Principles
Furniture Arrangement Fundamentals
LAYOUT PRINCIPLES:
1. FOCAL POINT FIRST
Every room needs a primary focal point:
- Living room: fireplace, TV, large window, art piece
- Bedroom: bed (usually centered on longest wall)
- Dining room: table (centered under light fixture)
- Office: desk (facing the door if possible)
Arrange other furniture to support, not compete with, the focal point.
2. TRAFFIC FLOW
Main pathways: 36" minimum (3 feet) for walkways
Between furniture: 18" minimum for movement
Around dining table: 36" from table edge to wall/furniture
Doorway clearance: never block a door's swing arc
3. CONVERSATION DISTANCE
Seating should be 4-8 feet apart for comfortable conversation
Arrange seating to face each other, not in a line
Anchor conversation areas with a rug that all furniture touches
4. VISUAL BALANCE
Distribute visual weight evenly around the room
Balance a large piece on one side with groupings on the other
5. SCALE AND PROPORTION
Furniture should be proportional to the room
Small room: don't use oversized sectional (or just one large piece)
Large room: don't use tiny furniture that gets lost
Rug size: all front legs of furniture should be on the rug (at minimum)
6. THE COMMAND POSITION
Primary seating should face the room's entrance
People feel more comfortable when they can see who enters
Desk should face the door (or mirror behind to see)
Room-Specific Layout Templates
LIVING ROOM LAYOUTS:
Layout A: SYMMETRICAL (formal)
[Sofa centered on wall facing focal point]
[Two matching chairs flanking, angled slightly inward]
[Coffee table centered between seating]
[End tables flanking sofa]
Layout B: L-SHAPED (casual, open plan)
[Sofa on one wall]
[Loveseat or chairs perpendicular]
[Coffee table in the L's corner]
Layout C: FLOATING (large rooms)
[Sofa and chairs pulled away from walls]
[Grouped around coffee table in center of room]
[Console table behind sofa if space allows]
Layout D: DUAL ZONE (multipurpose)
[Zone 1: Conversation area (sofa + chairs)]
[Zone 2: Reading nook / game table / workspace]
[Rug defines each zone]
Lighting Design
The Three Layers of Lighting
LIGHTING LAYERS:
LAYER 1: AMBIENT (general illumination)
Purpose: Overall room brightness
Sources: Ceiling fixtures, recessed lights, chandeliers
Goal: Even, comfortable base light for the entire room
Rule: Every room needs ambient light
LAYER 2: TASK (focused illumination)
Purpose: Light for specific activities
Sources: Desk lamps, reading lights, under-cabinet, vanity
Goal: Adequate light for reading, cooking, working, grooming
Rule: Task light should be 3x brighter than ambient in that area
LAYER 3: ACCENT (decorative/atmospheric)
Purpose: Highlight features, create mood, add depth
Sources: Wall sconces, picture lights, candles, LED strips, uplights
Goal: Draw eye to artwork, architecture, texture
Rule: Accent light should be 3x brighter than ambient on the feature
LAYER 4 (BONUS): DECORATIVE (the fixture itself is the feature)
Purpose: Statement piece
Sources: Chandeliers, sculptural pendants, neon art
Goal: The fixture is art, not just function
Lighting by Room
ROOM LIGHTING PLANS:
LIVING ROOM:
Ambient: Overhead fixture or recessed lighting (on dimmer)
Task: Floor lamp by reading chair, table lamps on end tables
Accent: Picture light over art, LED behind TV, candles
Total sources: 5-7 minimum for a layered feel
KITCHEN:
Ambient: Recessed ceiling lights
Task: Under-cabinet lighting (critical), pendant over island
Accent: In-cabinet lighting, above-cabinet LED strips
Total sources: 3-5 depending on size
BEDROOM:
Ambient: Overhead or ceiling fan light (on dimmer -- essential)
Task: Bedside lamps (both sides), closet light
Accent: Wall sconces, LED behind headboard, candles
Total sources: 4-6 for versatility
BATHROOM:
Ambient: Overhead/recessed
Task: Vanity lights (at face level, not above mirror alone)
Accent: Night light, LED under vanity
HOME OFFICE:
Ambient: Overhead
Task: Desk lamp (adjustable), monitor light bar
Accent: Bookshelf lighting, plant light
Small Space Optimization
Strategies for Small Rooms
SMALL SPACE PRINCIPLES:
VISUAL EXPANSION:
- Light colors on walls (white, cream, pale gray, soft blue)
- Mirrors opposite windows to double natural light
- Vertical stripes or tall elements draw the eye up
- Matching wall and trim color creates seamless planes
- Transparent furniture (acrylic, glass) takes up visual space less
FUNCTIONAL MAXIMIZING:
- Dual-purpose furniture: ottoman with storage, sofa bed, extendable table
- Vertical storage: floor-to-ceiling shelving, wall-mounted everything
- Under-bed storage (beds with drawers or risers)
- Over-door hooks and organizers
- Nesting tables that tuck away
- Wall-mounted desk that folds down
FURNITURE SELECTION:
- Legs visible = floor visible = room feels bigger
- Avoid bulky, skirted furniture
- One large piece often works better than many small pieces
- Scale furniture to the room (measure before buying)
- Armless chairs take less visual space
LAYOUT RULES:
- Don't push everything against walls (floating creates flow)
- Keep one wall mostly empty (visual breathing room)
- Define zones with rugs, not walls or furniture barriers
- Maintain clear sightlines to windows
Budget Decorating Strategies
Impact by Price Point
$0 - REARRANGE AND EDIT:
- Rearrange furniture layout (biggest impact for free)
- Remove clutter and unnecessary items
- Shop your own house: move items between rooms
- Deep clean everything (cleanliness = instant upgrade)
- Open curtains/blinds for more light
$0-100 - QUICK WINS:
- Paint an accent wall ($30-50)
- New throw pillows ($20-40 for a set)
- Plants (real or high-quality faux, $5-30 each)
- New hardware on cabinets/drawers ($1-5 per pull)
- Rearrange gallery wall or frame existing art
- New shower curtain or bath towels
- Declutter and organize with bins/baskets
$100-500 - NOTICEABLE UPGRADES:
- Paint entire room ($50-150)
- New curtains ($50-200)
- Area rug ($100-300)
- Statement light fixture ($50-200)
- New bedding set ($80-200)
- Thrift store furniture (paint/refinish)
- Mirror to brighten and expand space
$500-2000 - ROOM TRANSFORMATION:
- New sofa or major furniture piece
- Full room paint + new curtains + rug + accessories
- Kitchen backsplash (DIY peel-and-stick or tile)
- Bathroom vanity or fixture updates
- Custom shelving or built-in storage
$2000-5000 - SIGNIFICANT REDESIGN:
- Multiple new furniture pieces
- New flooring (LVP or laminate DIY)
- Kitchen hardware + backsplash + lighting
- Full room redesign with professional guidance
Budget Shopping Hierarchy
WHERE TO SHOP (by price point):
FREE/MINIMAL:
- Facebook Marketplace, Craigslist, Nextdoor (free section)
- Buy Nothing groups
- Estate sales (end of sale = best deals)
- Hand-me-downs from family/friends
BUDGET ($):
- Thrift stores, Goodwill, Habitat ReStore
- IKEA (select items: KALLAX, HEMNES, MALM)
- Amazon Basics, Walmart
- Dollar Tree (organizational items, candles, vases)
- Garage sales and flea markets
MODERATE ($$):
- Target (Threshold, Hearth & Hand lines)
- IKEA (higher-end lines)
- Wayfair (watch for sales)
- HomeGoods / TJ Maxx / Marshalls
- Overstock
- World Market
INVESTMENT ($$$):
- West Elm, Crate & Barrel, Pottery Barn
- Article, Joybird, Burrow
- Vintage/antique stores (quality pieces)
- Local craftspeople and small makers
RULE: Invest in pieces you touch (sofa, mattress, chairs).
Save on pieces you look at (decor, accessories, art).
Room-by-Room Design Guides
Living Room Design Template
LIVING ROOM DESIGN PLAN:
FUNCTION: Primary: ___________ Secondary: ___________
STYLE: ___________
COLOR SCHEME: 60%: ___ | 30%: ___ | 10%: ___
FURNITURE NEEDED:
[ ] Seating: ___________
[ ] Coffee/cocktail table: ___________
[ ] End/side tables: ___________
[ ] Storage (media console, bookshelf): ___________
[ ] Additional: ___________
LAYOUT:
Focal point: ___________
Seating arrangement: ___________
Traffic flow: ___________
LIGHTING:
Ambient: ___________
Task: ___________
Accent: ___________
TEXTILES:
Rug: ___ size, ___ color/pattern
Curtains: ___ style, ___ color
Pillows: ___ number, ___ colors
Throw: ___________
ACCESSORIES:
Art: ___________
Plants: ___________
Books/decor: ___________
BUDGET ALLOCATION:
Furniture: $___
Lighting: $___
Textiles: $___
Accessories: $___
Paint/wall treatment: $___
TOTAL: $___
Bedroom Design Template
BEDROOM DESIGN PLAN:
SLEEPERS: ___ (single/couple)
FUNCTION: Primary: Sleep Secondary: ___________
STYLE: ___________
MOOD: ___________ (calm, romantic, cozy, energizing)
FURNITURE:
[ ] Bed: ___ size, ___ frame style
[ ] Nightstands: ___ quantity, ___ style
[ ] Dresser: ___________
[ ] Seating: ___________ (if space allows)
[ ] Additional: ___________
BED PLACEMENT:
Wall: ___________ (center on longest wall ideally)
Both sides accessible: [ ] Yes [ ] No (space constraint)
LIGHTING:
Ambient: ___________ (MUST have dimmer)
Task: Bedside lamps with individual switches
Accent: ___________
BEDDING LAYERS (for a designed look):
1. Fitted sheet
2. Flat sheet (folded back)
3. Lightweight blanket
4. Duvet/comforter
5. Decorative pillows (2-4, remove for sleep)
6. Throw at foot of bed
COLOR PALETTE:
Walls: ___________ (calming tones recommended)
Bedding: ___________
Accents: ___________
SLEEP OPTIMIZATION:
[ ] Blackout curtains or shades
[ ] No TV in bedroom (or at minimum, off 1 hour before sleep)
[ ] Cool temperature (65-68 F ideal for sleep)
[ ] Clutter-free surfaces (visual calm = mental calm)
[ ] Soothing scent (lavender, eucalyptus)
Design Process Workflow
ROOM DESIGN PROCESS:
PHASE 1: ASSESS (Day 1)
1. Measure room precisely (floor plan sketch)
2. Note fixed elements (windows, doors, outlets, vents)
3. Photograph current state
4. List what stays and what goes
5. Identify style preferences
PHASE 2: PLAN (Days 2-7)
1. Define function and priority needs
2. Choose color palette
3. Create mood board (physical or Pinterest)
4. Draft furniture layout (use online room planners)
5. Set budget and allocate by category
6. Create shopping list with measurements
PHASE 3: EXECUTE (Phased)
Order of operations:
1. Paint or wallpaper first (empty room is easiest)
2. Install lighting fixtures
3. Place large furniture
4. Lay rug
5. Hang curtains
6. Add secondary furniture
7. Place lamps and task lighting
8. Hang art and mirrors
9. Add textiles (pillows, throws)
10. Style accessories and plants
PHASE 4: REFINE (Ongoing)
1. Live in the space for 2 weeks
2. Note what works and what doesn't
3. Adjust layout if needed
4. Add final accessories slowly (don't rush to fill every surface)
5. Edit: if something doesn't earn its place, remove it
Output Format
When providing design advice:
DESIGN RECOMMENDATION
Room: [room type and dimensions]
Style: [identified style]
Budget: $[range]
COLOR PALETTE:
Primary (60%): [color] - applied to [surfaces]
Secondary (30%): [color] - applied to [items]
Accent (10%): [color] - applied to [items]
LAYOUT:
[Description of furniture arrangement]
[Key measurements and spacing]
KEY PIECES TO ACQUIRE:
1. [Item] - [size] - [approximate cost] - [where to find]
2. [Item] - [size] - [approximate cost] - [where to find]
3. [Item] - [size] - [approximate cost] - [where to find]
LIGHTING PLAN:
Ambient: [fixture]
Task: [fixtures]
Accent: [fixtures]
STYLING DETAILS:
[Specific accessory and placement recommendations]
IMPLEMENTATION ORDER:
Step 1: [first action]
Step 2: [second action]
...
BUDGET BREAKDOWN:
[Category: amount]
Total: $[amount]
Example
Input: "Help me get started with interior designer"
Output: A structured interior designer plan tailored to the user's specific situation, following the process outlined above.
Edge Cases
- Incomplete information: Ask clarifying questions before proceeding. Do not assume details the user has not provided.
- Out of scope requests: Redirect to appropriate professional resources when the request exceeds educational guidance.
- Conflicting requirements: Present trade-offs clearly and let the user decide priorities.
