Select or Enter Base Color
HSL: 17°, 56%, 51% · RGB calculated automatically
Recommended 60-30-10 Room Ratio
Harmonic Schemes from Color Theory(click any swatch to copy HEX)
Complementary (Opposite 180°)
High-contrast focal pairing. Ideal for front doors, accent walls, and statement art.Analogous (Adjacent ±30°)
Calm, cohesive nature-inspired harmony. Perfect for bedrooms, living rooms, and open layouts.Triadic (120° / 240°)
Vibrant, dynamic 3-color balance. Great for multi-room continuity or playful modern spaces.Split-Complementary (150° / 210°)
Refined designer nuance: all the visual punch of complementary without jarring contrast.Monochromatic (Tints & Shades)
Tone-on-tone sophistication. Creates seamless depth, elegance, and calm luxury.See it before you build
Upload a photo of your home and preview your project in 30+ styles with AI. Free designs, no credit card.
Guide
How to use color harmony in home design
Interior designers and architectural colorists use the 60-30-10 principle combined with optical color wheel geometry (complementary, analogous, triad) to prevent spaces from feeling either sterile or overwhelming.
Choose Your 60% Dominant Base
This color coats 60% of the room visual field — main wall paint, large flooring surfaces, or exterior siding.
Add Your 30% Secondary Shade
Select an analogous tone (neighboring hue on the color wheel) or soft neutral for curtains, cabinetry, and sofas.
Introduce the 10% Pop of Accent
Use the complementary opposite color or a rich saturated jewel tone for decorative pillows, doors, and artwork.
Mathematics
Formulas used
Complementary Contrast
Base Hue + 180°Direct opposites on the color wheel provide maximum dynamic contrast.
Analogous Harmony
Base Hue ± 30°Neighboring hues produce relaxing, cohesive, organic palettes.
Triadic Balance
Base Hue + 120°, Base Hue + 240°Three evenly spaced hues create vibrant yet balanced energy.
Answers & FAQ
Frequently asked questions
What is the 60-30-10 color rule?▼
The 60-30-10 rule is a timeless decorating guideline: 60% of the room is the dominant color (walls), 30% is the secondary color (textiles/furniture), and 10% is an accent pop (accessories and art).
How do I choose paint colors for a dark room?▼
Avoid pure bright stark whites, which look gray and muddy in dark rooms. Instead, choose warm off-whites, warm creams, or embrace rich moody hues like deep navy or forest green that gain intimacy in low light.