ConvertRGBToHCL   460 magick/colorspace.c               ConvertRGBToHCL(red,green,blue,&X,&Y,&Z);
ConvertRGBToHCL  3470 magick/enhance.c   ConvertRGBToHCL(*red,*green,*blue,&hue,&chroma,&luma);
ConvertRGBToHCL    57 magick/gem.h     ConvertRGBToHCL(const Quantum,const Quantum,const Quantum,double *,double *,