You can see the colours around you because there is light.
Blue colour is often used in the logos of companies. It is also the most popular colour.
Green colour is the second most popular colour after blue. Many monsters in movies are green in colour.
Orange is considered to be a warm colour.
Pink colour was often used to paint skin in old art works.
The darkest shade of the black colour is found on a material called Vantablack that was invented by a company called Surrey Nanosystems.