Phr V
colour in
colours, colouring, coloured/colors, coloring, colored
colour in sth or colour sth in
British & Australiancolor in sth or color sth in
American & Australian to fill an area with colour using paint, coloured pencils etc.She coloured in all the squares and triangles on the page of her book.
sometimes + inShe coloured the squares in in red and the triangles in in blue.