#import "UIColor+RNNUtils.h" @implementation UIColor (RNNUtils) - (NSString *)toHex { const CGFloat *components = CGColorGetComponents([self CGColor]); CGFloat r = components[0]; CGFloat g = components[1]; CGFloat b = components[2]; return [NSString stringWithFormat:@"#%02lX%02lX%02lX", lroundf((float) (r * 255)), lroundf((float) (g * 255)), lroundf((float) (b * 255))]; } @end