A laser-transmissible colored resin composition comprises an anthraquinone-type acidic dye represented by the following chemical formula (1)
[in the chemical formula (1), —R1 is a hydrogen atom, a hydroxyl group or an amino group, —R2 and —R3 are a hydrogen atom, an alkyl group, a halogen atom, an alkoxyl group or —SO3M which M is a hydrogen atom, an alkaline metal or an ammonium, —R4, —R5, —R6, —R7— and —R8 are a hydrogen atom, an alkyl group, an acyl group, an acylamide group, an acyl-N-alkylamide group, a halogen atom, an alkoxyl group or —SO3M which M is same above, and at least one of —R2, —R3, —R4, —R5, —R6, —R7 and —R8 is —SO3M]. It may be represented by the following chemical formula (2).