IOS 颜色 16进制 转换

#define RGB(r,g,b) ([UIColor colorWithRed:r/255.0 green:g/255.0 blue:b/255.0 alpha:1])

#define HEXTOCOLOR(hexValue) ([UIColor colorWithRed:((float)((hexValue & 0xFF0000) >> 16))/255.0 green:((float)((hexValue & 0xFF00) >> 8))/255.0 blue:((float)(hexValue & 0xFF))/255.0 alpha:1])