Added isEqualToColor method.

RGHelpers.h

@@ -27,6 +27,7 @@
 @interface UIColor (IntegerConversion)
 
 + (UIColor *)colorWithInt:(NSInteger)number;
+- (BOOL)isEqualToColor:(UIColor *)otherColor;
 
 @end
 

RGHelpers.m

@@ -18,6 +18,30 @@ + (UIColor *)colorWithInt:(NSInteger)number {
 						   alpha:1];
 }
 
+- (BOOL)isEqualToColor:(UIColor *)otherColor {
+    if (self == otherColor) return YES;
+
+    CGColorSpaceRef colorSpaceRGB = CGColorSpaceCreateDeviceRGB();
+
+    UIColor *(^convertColorToRGBSpace)(UIColor *) = ^(UIColor *color) {
+        if (CGColorSpaceGetModel(CGColorGetColorSpace(color.CGColor)) == kCGColorSpaceModelMonochrome) {
+            const CGFloat *oldComponents = CGColorGetComponents(color.CGColor);
+            CGFloat components[4] = {oldComponents[0], oldComponents[0], oldComponents[0], oldComponents[1]};
+            CGColorRef colorRef = CGColorCreate(colorSpaceRGB, components);
+            UIColor *color = [UIColor colorWithCGColor:colorRef];
+            CGColorRelease(colorRef);
+            return color;
+        }
+        return color;
+    };
+
+    UIColor *selfColor = convertColorToRGBSpace(self);
+    otherColor = convertColorToRGBSpace(otherColor);
+    CGColorSpaceRelease(colorSpaceRGB);
+
+    return [selfColor isEqual:otherColor];
+}
+
 @end
 
 #pragma mark - NSString (UrlEncoding)