Houzz is the new way to design your home.
Example of complementary color
Split complementary color
Painting the roof white will reflect the light, so its not too hot inside
Warm color tend to advance so make the room smaller, closer and intimate.
Look at the stair, it looked closer to the table because of the warm color.
On other side this first cool color make the room larger. Since the cool color fading the wall.
The blue color also tend to make larger room