diff --git a/ColorUtils/ColorUtils.h b/ColorUtils/ColorUtils.h
old mode 100644
new mode 100755
index e33ff09..f7abb2d
--- a/ColorUtils/ColorUtils.h
+++ b/ColorUtils/ColorUtils.h
@@ -66,6 +66,9 @@
 - (instancetype)colorWithBrightness:(CGFloat)brightness;
 - (instancetype)colorBlendedWithColor:(UIColor *)color factor:(CGFloat)factor;
 
++ (instancetype)randomColor;
++ (instancetype)randomColorWithAlpha:(CGFloat)alpha;
+
 @end
 
 
diff --git a/ColorUtils/ColorUtils.m b/ColorUtils/ColorUtils.m
old mode 100644
new mode 100755
index 0f7bd48..d79b6bf
--- a/ColorUtils/ColorUtils.m
+++ b/ColorUtils/ColorUtils.m
@@ -385,4 +385,22 @@ - (instancetype)colorBlendedWithColor:(UIColor *)color factor:(CGFloat)factor
                                 alpha:fromRGBA[3] + (toRGBA[3] - fromRGBA[3]) * factor];
 }
 
++ (instancetype)randomColor
+{
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        srandom((unsigned int)time(NULL));
+    });
+    
+    return [UIColor colorWithRed:random()%256/255.0
+                           green:random()%256/255.0
+                            blue:random()%256/255.0
+                           alpha:1];
+}
+
++ (instancetype)randomColorWithAlpha:(CGFloat)alpha
+{
+    return [[UIColor randomColor] colorWithAlphaComponent:alpha];
+}
+
 @end