Colours are a medium that give meaning to an image. They can set specific moods, attract the eye and make a statement. Colours can be used in many ways to visualize emotions and set tone to an image. One can portray emotions through cool, vibrant, warm and agitated colours. With the right colour schemes u can immerse the viewers into whatever you are trying to depict.
The 3 Primary colours consist of red, yellow and blue. Any two of these colours can be mixed to create three secondary colours; green, orange and purple. Six more colours called the tertiary colours can also be created by mixing combination from the primary and secondary colours respectively.