Index: src/OFColor.m
==================================================================
--- src/OFColor.m
+++ src/OFColor.m
@@ -12,10 +12,12 @@
  * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
  * file.
  */
 
 #include "config.h"
+
+#include <math.h>
 
 #import "OFColor.h"
 #import "OFOnce.h"
 #import "OFString.h"
 
@@ -32,10 +34,12 @@
 @end
 
 #ifdef OF_OBJFW_RUNTIME
 @interface OFTaggedPointerColor: OFColorSingleton
 @end
+
+static const float allowedImprecision = 0.0000001;
 #endif
 
 static struct {
 	Class isa;
 } placeholder;
@@ -70,16 +74,17 @@
 		      green: (float)green
 		       blue: (float)blue
 		      alpha: (float)alpha
 {
 #ifdef OF_OBJFW_RUNTIME
-	uint8_t redInt = red * 255;
-	uint8_t greenInt = green * 255;
-	uint8_t blueInt = blue * 255;
+	uint8_t redInt = nearbyintf(red * 255);
+	uint8_t greenInt = nearbyintf(green * 255);
+	uint8_t blueInt = nearbyintf(blue * 255);
 
-	if (red * 255 == redInt && green * 255 == greenInt &&
-	    blue * 255 == blueInt && alpha == 1) {
+	if (fabsf(red * 255 - redInt) < allowedImprecision &&
+	    fabsf(green * 255 - greenInt) < allowedImprecision &&
+	    fabsf(blue * 255 - blueInt) < allowedImprecision && alpha == 1) {
 		id ret = objc_createTaggedPointer(colorTag,
 		    (uintptr_t)redInt << 16 | (uintptr_t)greenInt << 8 |
 		    (uintptr_t)blueInt);
 
 		if (ret != nil)
@@ -284,9 +289,9 @@
 	float red, green, blue, alpha;
 
 	[self getRed: &red green: &green blue: &blue alpha: &alpha];
 
 	return [OFString stringWithFormat:
-	    @"<OFColor red=%f green=%f blue=%f alpha=%f>",
-	    red, green, blue, alpha];
+	    @"<%@ red=%f green=%f blue=%f alpha=%f>",
+	    self.class, red, green, blue, alpha];
 }
 @end