Have your child paint a page/pages with finger paints, naming each colour as he/she spreads it on the page. Let it dry.
Go around the house/neighbourhood with the painted paper and encourage your child to match real-life objects to their corresponding colour on the page. Talk about the different shades and hues of colour as you make matches.
Note: We recommend that you start with primary colours and as your child progresses add additional colours for him/her to identify.