What Is the 3 Color Rule in Interior Design?
Jianbiao SunThe 3 color rule is one of the easiest ways to create harmonious interiors.
1) Choose a Dominant Color
This color covers approximately 60% of the room.
2) Add a Secondary Color
Around 30% should come from furniture, rugs, or curtains.
3) Finish With an Accent Color
The remaining 10% can appear in artwork, cushions, decorative objects, or plants.

Why It Works
This approach prevents rooms from feeling chaotic while allowing enough contrast to create visual interest.
Large wabi sabi artwork is an excellent way to introduce accent colors without overwhelming the overall design.
Conclusion
Following the 3 color rule helps create interiors that feel intentional, balanced, and easy to update over time.