Index: src/OFColor.h
==================================================================
--- src/OFColor.h
+++ src/OFColor.h
@@ -28,10 +28,29 @@
 {
 	float _red, _green, _blue, _alpha;
 	OF_RESERVE_IVARS(4)
 }
 
+#ifdef OF_HAVE_CLASS_PROPERTIES
+@property (class, readonly, nonatomic) OFColor *black;
+@property (class, readonly, nonatomic) OFColor *silver;
+@property (class, readonly, nonatomic) OFColor *grey;
+@property (class, readonly, nonatomic) OFColor *white;
+@property (class, readonly, nonatomic) OFColor *maroon;
+@property (class, readonly, nonatomic) OFColor *red;
+@property (class, readonly, nonatomic) OFColor *purple;
+@property (class, readonly, nonatomic) OFColor *fuchsia;
+@property (class, readonly, nonatomic) OFColor *green;
+@property (class, readonly, nonatomic) OFColor *lime;
+@property (class, readonly, nonatomic) OFColor *olive;
+@property (class, readonly, nonatomic) OFColor *yellow;
+@property (class, readonly, nonatomic) OFColor *navy;
+@property (class, readonly, nonatomic) OFColor *blue;
+@property (class, readonly, nonatomic) OFColor *teal;
+@property (class, readonly, nonatomic) OFColor *aqua;
+#endif
+
 /*!
  * @brief Creates a new color with the specified red, green, blue and alpha
  *	  value.
  *
  * @param red The red value of the color, between 0.0 and 1.0
@@ -43,10 +62,154 @@
 + (instancetype)colorWithRed: (float)red
 		       green: (float)green
 			blue: (float)blue
 		       alpha: (float)alpha;
 
+/*!
+ * @brief Returns the HTML color `black`.
+ *
+ * The RGBA value is (0, 0, 0, 1).
+ *
+ * @return The HTML color `black`
+ */
++ (OFColor *)black;
+
+/*!
+ * @brief Returns the HTML color `silver`.
+ *
+ * The RGBA value is (0.75, 0.75, 0.75, 1).
+ *
+ * @return The HTML color `silver`
+ */
++ (OFColor *)silver;
+
+/*!
+ * @brief Returns the HTML color `grey`.
+ *
+ * The RGBA value is (0.5, 0.5, 0.5, 1).
+ *
+ * @return The HTML color `grey`
+ */
++ (OFColor *)grey;
+
+/*!
+ * @brief Returns the HTML color `white`.
+ *
+ * The RGBA value is (1, 1, 1, 1).
+ *
+ * @return The HTML color `white`
+ */
++ (OFColor *)white;
+
+/*!
+ * @brief Returns the HTML color `maroon`.
+ *
+ * The RGBA value is (0.5, 0, 0, 1).
+ *
+ * @return The HTML color `maroon`
+ */
++ (OFColor *)maroon;
+
+/*!
+ * @brief Returns the HTML color `red`.
+ *
+ * The RGBA value is (1, 0, 0, 1).
+ *
+ * @return The HTML color `red`
+ */
++ (OFColor *)red;
+
+/*!
+ * @brief Returns the HTML color `purple`.
+ *
+ * The RGBA value is (0.5, 0, 0.5, 1).
+ *
+ * @return The HTML color `purple`
+ */
++ (OFColor *)purple;
+
+/*!
+ * @brief Returns the HTML color `fuchsia`.
+ *
+ * The RGBA value is (1, 0, 1, 1).
+ *
+ * @return The HTML color `fuchsia`
+ */
++ (OFColor *)fuchsia;
+
+/*!
+ * @brief Returns the HTML color `green`.
+ *
+ * The RGBA value is (0, 0.5, 0, 1).
+ *
+ * @return The HTML color `green`
+ */
++ (OFColor *)green;
+
+/*!
+ * @brief Returns the HTML color `lime`.
+ *
+ * The RGBA value is (0, 1, 0, 1).
+ *
+ * @return The HTML color `lime`
+ */
++ (OFColor *)lime;
+
+/*!
+ * @brief Returns the HTML color `olive`.
+ *
+ * The RGBA value is (0.5, 0.5, 0, 1).
+ *
+ * @return The HTML color `olive`
+ */
++ (OFColor *)olive;
+
+/*!
+ * @brief Returns the HTML color `yellow`.
+ *
+ * The RGBA value is (1, 1, 0, 1).
+ *
+ * @return The HTML color `yellow`
+ */
++ (OFColor *)yellow;
+
+/*!
+ * @brief Returns the HTML color `navy`.
+ *
+ * The RGBA value is (0, 0, 0.5, 1).
+ *
+ * @return The HTML color `navy`
+ */
++ (OFColor *)navy;
+
+/*!
+ * @brief Returns the HTML color `blue`.
+ *
+ * The RGBA value is (0, 0, 1, 1).
+ *
+ * @return The HTML color `blue`
+ */
++ (OFColor *)blue;
+
+/*!
+ * @brief Returns the HTML color `teal`.
+ *
+ * The RGBA value is (0, 0.5, 0.5, 1).
+ *
+ * @return The HTML color `teal`
+ */
++ (OFColor *)teal;
+
+/*!
+ * @brief Returns the HTML color `aqua`.
+ *
+ * The RGBA value is (0, 1, 1, 1).
+ *
+ * @return The HTML color `aqua`
+ */
++ (OFColor *)aqua;
+
 /*!
  * @brief Initializes an already allocated color with the specified red, green,
  *	  blue and alpha value.
  *
  * @param red The red value of the color, between 0.0 and 1.0

Index: src/OFColor.m
==================================================================
--- src/OFColor.m
+++ src/OFColor.m
@@ -16,14 +16,53 @@
  */
 
 #include "config.h"
 
 #import "OFColor.h"
+
+#import "once.h"
 
 #import "OFInvalidArgumentException.h"
 
 @implementation OFColor
+#define PREDEFINED_COLOR(name, r, g, b)					\
+	static OFColor *name = nil;					\
+									\
+	static void							\
+	initPredefinedColor_##name(void)				\
+	{								\
+		name = [[OFColor alloc] initWithRed: r			\
+					      green: g			\
+					       blue: b			\
+					      alpha: 1];		\
+	}								\
+									\
+	+ (OFColor *)name						\
+	{								\
+		static of_once_t onceControl = OF_ONCE_INIT;		\
+		of_once(&onceControl, initPredefinedColor_##name);	\
+									\
+		return name;						\
+	}
+
+PREDEFINED_COLOR(black,   0.00, 0.00, 0.00)
+PREDEFINED_COLOR(silver,  0.75, 0.75, 0.75)
+PREDEFINED_COLOR(grey,    0.50, 0.50, 0.50)
+PREDEFINED_COLOR(white,   1.00, 1.00, 1.00)
+PREDEFINED_COLOR(maroon,  0.50, 0.00, 0.00)
+PREDEFINED_COLOR(red,     1.00, 0.00, 0.00)
+PREDEFINED_COLOR(purple,  0.50, 0.00, 0.50)
+PREDEFINED_COLOR(fuchsia, 1.00, 0.00, 1.00)
+PREDEFINED_COLOR(green,   0.00, 0.50, 0.00)
+PREDEFINED_COLOR(lime,    0.00, 1.00, 0.00)
+PREDEFINED_COLOR(olive,   0.50, 0.50, 0.00)
+PREDEFINED_COLOR(yellow,  1.00, 1.00, 0.00)
+PREDEFINED_COLOR(navy,    0.00, 0.00, 0.50)
+PREDEFINED_COLOR(blue,    0.00, 0.00, 1.00)
+PREDEFINED_COLOR(teal,    0.00, 0.50, 0.50)
+PREDEFINED_COLOR(aqua,    0.00, 1.00, 1.00)
+
 + (instancetype)colorWithRed: (float)red
 		       green: (float)green
 			blue: (float)blue
 		       alpha: (float)alpha
 {