As nouns the difference between colouring and coloring
is that colouring is (british|canada) while coloring is an act or process which applies color.
Which is correct coloring or Colouring?
Color is the spelling used in the United States. Colour is used in other English-speaking countries. ... The current difference in spelling between the American and British variants is credited to (or occasionally blamed on) Noah Webster, the American lexicographer.
Is coloring a verb or adjective?
color (verb) color–blind (adjective) colored (adjective) coloring (noun)