Hollow latex (HL) particles consisting of poly(methyl methacrylate-co-divinyl benzene-co-acrylic acid)were synthesized and used as an alternative white pigment in paint film. The opacity of the coating film prepared from a mixture of HL or solid particles, poly(styrene-co-acrylic acid) and poly(styrene-co-methyl methacrylate-co-acrylic acid), was determined using the reflectometric method, which measures the hiding power of coatings.