Update UIColor+Colours.h
Update UIColor+Colours.h

Fix typo
azureatom/Colours,szehnder/Colours,phimage/Colours,zxfmpy/Colours,thiagoricieri/Colours,phimage/Colours,ramoslin02/Colours,thiagoricieri/Colours,xswm1123/Colours,OnTheWay1988/Colours,kaishajones/Colours,ramoslin02/Colours,bennyguitar/Colours,andreamazz/Colours,zxfmpy/Colours,phimage/Colours,andreamazz/Colours,mjasa/Colours,szehnder/Colours,OnTheWay1988/Colours,bennyguitar/Colours,andreamazz/Colours,huangzongwu/Colours,imjerrybao/Colours,mjasa/Colours,imjerrybao/Colours,andreamazz/Colours,kaishajones/Colours,szehnder/Colours,xswm1123/Colours