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colour rainbow ink printer monitor blue colours orange yellow green
Making colours with ink and light
Do you have a colour printer or a colour ? Printers and monitors can make all the colours of the . How can they do this?
Look at the colour ink cartridge of your . It has three . They are red, blue and . Red, blue and yellow are the primary colours of . Two primary colours make a secondary . For example, red and yellow make . The other secondary colours are violet and . We can make black with red, yellow and .