Spatial Design Tools
A set of interactive calculators and simulators to help you reason about proportion, color, light, and layout in interior spaces—from golden-ratio dimensions to full room planning.
Golden Ratio Calculator
Calculate harmonious spatial proportions using the golden ratio (1:1.618). Enter a dimension and visualize how the golden rectangle and spiral define naturally balanced room proportions.
3.000
meters1.854
metersThe golden ratio (1:1.618) is a proportion found throughout nature and classical architecture. Spaces designed with these proportions tend to feel naturally balanced and harmonious.
Color Palette Generator
Build cohesive interior color schemes from curated presets or a custom base color. Each palette surfaces five coordinated tones with HSL and HEX values—and a live room preview.
Warm Minimalist — A preview of how these colors work together in a spatial context. Click any swatch to copy its HEX value.
Lighting Simulator
Experience how natural and artificial light transforms a room throughout the day. Adjust the time, switch between natural daylight, warm lamps, and cool fixtures, and read color temperature in Kelvin.
5,600
Kelvin100%
Space Planner
Lay out furniture on a drag-and-drop room canvas and measure spatial utilization in real time. Add sofas, tables, beds, and more to test circulation flow before you move a single piece.
Click "Add Furniture" to start planning
0.00 / 20.00 m²
Spacious — plenty of open space.
No furniture added yet.
Drag furniture around the room to test different layouts. The room is 5m × 4m (20.00 m²). Click an item to select it, then remove it or drag to reposition.