The procedure for mixing colours together to effect changes of colourChoices of colour and the relationships between colours have a huge influence on how a piece or art or design looks and feels and the.... Colour mixing can happen with pigmentThe actual colouring matter in paint and ink. (paintA coloured substance that can be thickened or thinned and spread over surfaces. Paint can be water soluble, oil or plastic based, and have opaque..., crayons pastels) or light. Colours can be initially categorised as primary: red, yellow and blue. Secondary: green, orange and purple. Mixing primary colours together will create secondary colours. Red and blue make purple. Blue and yellow make green. Red and yellow make orange