some cool color combinations are red and orange, blue and purple, green and blue
There are 1 combination of 4 colours out of 4, 4 combinations of 3 colours out of 4, 6 combinations of 2 colours out of 4, 4 combinations of 1 colour out of 4. A grand total of 15 (= 24-1) combinations.
Blue is a 'cool' colour. Green and purple are also cool colours. The only time when blue, green or purple isn't a cool colour is when it is fluro. Red, orange and yellow are 'hot' colours.
seven colours
the answer is blending and rainbow colours ;)
some times mainly if some one is popular or likes this sort of colours
Red,white, pink, yellow and a variety of their combinations.
fluoro
rainbow
i feel that they are cool
Yes there are black, brown, and combinations of these colours with white as well.
winter and summer
It is a monitor that has a variety of colours on it. This is different to a monchrome monitor, which only had two colours. These were the old type of monitors befor combinations of colours and fancy graphics. Generally monochrome monitors came in 3 combinations. Black screens with white text, black screens with green text or black screens with orange text.