CGColorSpaceRef cs, default_cs;
        CGDataProviderRef profile;
        const CGFloat ranges[] = {0.0,255.0,0.0,255.0,0.0,255.0};

        default_cs = CGColorSpaceCreateDeviceRGB();
        profile = CGDataProviderCreateWithURL((CFURLRef)[NSURL fileURLWithPath:@"/System/Library/ColorSync/Profiles/Generic XYZ Profile.icc"]);
        cs = CGColorSpaceCreateICCBased(3, ranges, profile, default_cs);


        CFDataRef dataref =  CGColorSpaceCopyICCProfile(cs);

        CGColorSpaceRef copycs = CGColorSpaceCreateWithICCProfile(dataref);