16进制颜色值变幻UIColer

+ (UIColor *) colorFromHexRGB:(NSString *) colorString

{

    UIColor *result = nil;

    unsigned int colorCode = 0;

    unsigned char redByte, greenByte, blueByte;

    if (nil != colorString)

    {

        NSScanner *scanner = [NSScanner scannerWithString:colorString];

        (void) [scanner scanHexInt:&colorCode]; 

    }

    redByte = (unsigned char) (colorCode >> 16);

    greenByte = (unsigned char) (colorCode >> 8);

    blueByte = (unsigned char) (colorCode); 

    result = [UIColor

              colorWithRed: (float)redByte / 0xff

              green: (float)greenByte/ 0xff

              blue: (float)blueByte / 0xff

              alpha:1.0];

    return result;

}

16进制颜色值变幻UIColer

原文：http://blog.csdn.net/heyachaodeios/article/details/45245771