noun

the property possessed by an object of producing different sensations on the eye as a result of the way it reflects or emits light.

the lights flickered and changed colour

hue,shade,tint,tone,tinge,cast,tincture

verb

change the colour of (something) by painting, dyeing, or shading it.

he coloured her hair with a selection of blonde and brown shades

tint,dye,tinge,shade,pigment,stain,colour-wash,colour in,paint