// texture pigment attribute // RGB values can range from 0.0 (dark) to 1.0 (saturated) color red 0.5 green 0.5 blue 0.5 // filter 0.8 // (---alternative form---) //color rgb <0.5, 0.5, 0.5> //color rgbf <0.5, 0.5, 0.5, 0.8>