Objective C Category: hex NString to UIColor

UIColor+ColorFromHexa.h

//
//  UIColor+ColorFromHexa.h
//  TellApp
//
//  Created by Dario on 1/10/15.
//  Copyright (c) 2015 Cactus. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface UIColor (CustomColorCatagory)   //This line is one of the most important ones - it tells the complier your extending the normal set of methods on UIColor
+ (UIColor *)colorFromHexaString:(NSString*)hexaString;

@end

UIColor+ColorFromHexa.m

//
//  UIColor+ColorFromHexa.m
//  TellApp
//
//  Created by Dario on 1/10/15.
//  Copyright (c) 2015 Cactus. All rights reserved.
//

#import "UIColor+ColorFromHexa.h"

@implementation UIColor (ColorFromHexa)

+ (UIColor *)colorFromHexaString:(NSString*)hexaString
{
    NSString *prefixToRemove = @"#";
    NSString *serializedColor = hexaString;
    
    if ([hexaString hasPrefix:prefixToRemove]) {
        serializedColor = [hexaString substringFromIndex:[prefixToRemove length]];
    }
    
    NSScanner *scanner2 = [NSScanner scannerWithString:serializedColor];
    unsigned int baseColor1;
    [scanner2 scanHexInt:&baseColor1];
    
    CGFloat red   = ((baseColor1 & 0xFF0000) >> 16) / 255.0f;
    CGFloat green = ((baseColor1 & 0x00FF00) >>  8) / 255.0f;
    CGFloat blue  =  (baseColor1 & 0x0000FF) / 255.0f;
    
    UIColor *color = [UIColor colorWithRed:(red)
                                     green:(green)
                                      blue:(blue)
                                     alpha:1];
    
    return color;
}

@end