Abstract: A method of moulding an article having areas of color contrast on the surface comprising coating one surface of a mould with a colored composition prior to filling the mould with a curable composition of contrasting color and curing the composition characterised in that the colored composition comprises at least 25% by weight of(a) a fluid carrier comprising a mixture of 0-100 parts by weight of a polymerizable liquid and correspondingly 100 to 0 parts by weight of a non-polymerizable, volatile, organic solvent,(b) from 0.1 to 10% by weight of the total composition of a colorant in the form of an inorganic pigment or carbon black, or 0.0001 to 1% by weight of an organic pigment or dye,(c) from 0 to 60% by weight of the total composition of a finely divided filler, preferably having a mean particle size of less than 2 microns,(d) 0.