rgbconv.txt

[Black & White]
R=(R+G+B)/3
G=(R+G+B)/3
B=(R+G+B)/3

[Invert]
R=255-R
G=255-G
B=255-B

[Swap Red and Green]
G=R
R=G

[Swap Blue and Green]
G=B
B=G

[Swap Red and Blue]
R=B
B=R

[More Saturation]
R=(12*R-((R+G+B)/3))/11
G=(12*G-((R+G+B)/3))/11
B=(12*B-((R+G+B)/3))/11

[Less Saturation]
R=(11*R+((R+G+B)/2))/12
G=(11*G+((R+G+B)/2))/12
B=(11*B+((R+G+B)/2))/12