Speaking of paint. Yellow pigment is not the same as yellow light; nor is red pigment the same as red light; nor is blue pigment the same as blue light. :) T

Speaking of paint. Yellow pigment is not the same as yellow light; nor is red pigment the same as red light; nor is blue pigment the same as blue light. :) The light-oriented color names are fancier. (cyan, magenta, etc.) Probably one of the most valuable things I learned as a physics student in high school!