COSRGB[MOD[MOD2[CONST[0.626313], MOD2[PLUS[RGB[CONST[0.665062], X[], X[]], CONST[-0.647375]], MULT[MOD2[CONST[0.429188], X[]], SINRGB[X[]]]]], SINRGB[CONST[0.076625]]]]

[640x480] [800x600] [1024x768] [1280x1024] [1600x1200] [1920x1200] [2560x1440]