diff --git a/lesscpy/test/css/colors.css b/lesscpy/test/css/colors.css
index 0ddc16e..1f0d87d 100644
--- a/lesscpy/test/css/colors.css
+++ b/lesscpy/test/css/colors.css
@@ -75,7 +75,7 @@
 }
 .lighten {
 	color: #585858;
-	color: #6e6e6e;
+	color: #6f6f6f;
 	color: #888888;
 	color: #bbbbbb;
 	color: #eeeeee;
diff --git a/lesscpy/test/css/colors.min.css b/lesscpy/test/css/colors.min.css
index 60bee80..839529d 100644
--- a/lesscpy/test/css/colors.min.css
+++ b/lesscpy/test/css/colors.min.css
@@ -12,7 +12,7 @@
 .hsl{color:#ffffff;color:#ffffff;color:#000000;color:#000000;}
 .saturate{color:#565454;color:#5e4c4c;color:#664444;color:#773333;color:#882222;color:#aa0000;color:#000000;color:#000000;color:#ffffff;color:#ffffff;color:#29332f;color:#243830;color:#203c31;color:#174533;color:#0d4f35;color:#005c37;}
 .desaturate{color:#555555;color:#555555;color:#555555;color:#555555;color:#555555;color:#555555;color:#000000;color:#000000;color:#ffffff;color:#ffffff;color:#29332f;color:#2e2e2e;color:#2e2e2e;color:#2e2e2e;color:#2e2e2e;color:#2e2e2e;}
-.lighten{color:#585858;color:#6e6e6e;color:#888888;color:#bbbbbb;color:#eeeeee;color:#ffffff;color:#ffffff;color:#000000;color:#ffffff;color:#ffffff;color:#2b3632;color:#404f49;color:#566c63;color:#88a096;color:#c1cdc8;color:#ffffff;}
+.lighten{color:#585858;color:#6f6f6f;color:#888888;color:#bbbbbb;color:#eeeeee;color:#ffffff;color:#ffffff;color:#000000;color:#ffffff;color:#ffffff;color:#2b3632;color:#404f49;color:#566c63;color:#88a096;color:#c1cdc8;color:#ffffff;}
 .lighten{color:#525252;color:#3b3b3b;color:#222222;color:#000000;color:#000000;color:#000000;color:#000000;color:#000000;color:#000000;color:#ffffff;color:#27302c;color:#121715;color:#000000;color:#000000;color:#000000;color:#000000;}
 .spin{color:#555555;color:#555555;color:#555555;color:#555555;color:#555555;color:#555555;color:#000000;color:#000000;color:#ffffff;color:#ffffff;color:#29332f;color:#29332d;color:#293332;color:#2a3329;color:#292d33;color:#2c2933;}
 .grayscale{color:#000000;color:#000000;color:#ffffff;color:#ffffff;color:#2e2e2e;color:#2e2e2e;color:#2e2e2e;color:#2e2e2e;color:#2e2e2e;color:#2e2e2e;}