UIColor factory category method - returns an appropriate UIColor instance given a hex colour code.

UIColor+Hex.h

//
//  UIColor+Hex.h
//  SRKit
//
//  Created by Sadat Rahman on 29/11/08.
//  Copyright Sadat Rahman 2008. All rights reserved.
//


@interface UIColor (Hex)
+ (UIColor *)colorWithHexValue:(NSString *)hexValue;
@end

UIColor+Hex.m

//
//  UIColor+Hex.m
//  SRKit
//
//  Created by Sadat Rahman on 29/11/08.
//  Copyright Sadat Rahman 2008. All rights reserved.
//


#import "UIColor+Hex.h"


@implementation UIColor (Hex)
+ (UIColor *)colorWithHexValue:(NSString *)hexValue
{
	NSString *cleanedHexValue = [hexValue stringByTrimmingCharactersInSet:[NSCharacterSet characterSetWithCharactersInString:@"#"]];
	unsigned long rgbColorValue = strtoul([[cleanedHexValue substringToIndex:6] cStringUsingEncoding:NSASCIIStringEncoding], NULL, 16);

	NSUInteger redValue   = (rgbColorValue >> 16) & 0xFF;
	NSUInteger greenValue = (rgbColorValue >>  8) & 0xFF;
	NSUInteger blueValue  = (rgbColorValue >>  0) & 0xFF;

	return [UIColor colorWithRed:(redValue / 255.) green:(greenValue / 255.) blue:(blueValue / 255.) alpha:1.];
}
@end