Interior Design Rules Cheat Sheet

Last Updated: November 21, 2025

Design Rules

60-30-10 rule
60% dominant, 30% secondary, 10% accent color
Furniture height
Vary heights for interest
Lighting layers
Ambient, task, accent
Rugs
Large enough for furniture legs
Scale
Match furniture size to room
💡 Pro Tip: Rules are meant to be bent creatively!
← Back to Data Science & ML | Browse all categories | View all cheat sheets