Colour, or hiu biþ a perceved proprete of liȝt, and swiche ſortes whyche red, and bleu, and grene arn maad by þe waue-lengþe of þe liȝt as it ys bac-ſchewen fro obiectys. It maketh impreſſioun by celles in þe eien of peple and manie beeſtes, þat formeþ an ymage in þe beſtys mode. Þe waue-lengþes of alle ſortes of colour peple ſeen ben bitwixe cd. and dcc. nanometres. Sume colovres ben oonfolde - þat is, þai ben of oon wave-lengþe. Þiſe ben þe hiwes of þe reynbowe. Ooþre colourys ben meind of manie waue-lengþys.