In Vastu, colour carries the energy of the five elements + the directions — so the right palette per room is said to support its purpose. Here's the genuine room-by-room Vastu colour guide, translated into modern, livable palettes that suit Tamil Nadu homes.

| Direction | Element | Favoured colours |
|---|---|---|
| North-East | Water | White, light blue |
| East | Air | White, light green, pastels |
| South-East | Fire | Warm tones used sparingly (not whole walls) |
| South-West | Earth | Beige, brown, earthy tones |
| North | Water/Wealth | Green, light blue |
| West | Space | White, grey, neutrals |
| Room | Vastu-aligned colours |
|---|---|
| Master bedroom | Soft earthy tones, beige, muted rose, light blue |
| Children's room | Calm green, light blue, soft neutrals |
| Kitchen | White, soft yellow, warm cream (avoid heavy black) |
| Pooja room | White, cream, soft yellow, light wood |
| Living room | Light green, beige, neutral with warm accents |
| Bathroom | White, light grey, soft pastels |
Vastu maps colours to directions + elements: light blues + whites for the water-ruled North-East, earthy beige/brown for the South-West, greens for the North, and warm tones used sparingly in the fire-ruled South-East. Room by room, lean on soft, soothing palettes (earthy bedrooms, light pooja + kids' rooms, calm living spaces) with bold colours as accents — guidance that sits comfortably inside modern, cohesive interior design for Tamil Nadu homes.
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