A particulate chromatic resin composition comprises an unused thermoplastic resin component, a chromatic pigment and a white pigment, or a particulate white resin composition comprises an unused thermoplastic resin component, a white pigment and a black pigment, in which a sheet made from resin composition shows a relationship between a lightness and a light transmittance satisfying the following condition: 1300.ltoreq.(L*.times.B).ltoreq.4000 wherein L* means a lightness of a sheet of 3 mm thick having been made of the resin composition, and B means a total light transmittance in terms of % of a sheet of 50 .mu.m thick having been made of the resin composition.