diff --git a/ports/js/cssmin.js b/ports/js/cssmin.js
index 6583210..86de8ab 100644
--- a/ports/js/cssmin.js
+++ b/ports/js/cssmin.js
@@ -119,7 +119,7 @@ YAHOO.compressor._extractDataUrls = function (css, preservedTokens) {
 YAHOO.compressor._compressHexColors = function(css) {
 
     // Look for hex colors inside { ... } (to avoid IDs) and which don't have a =, or a " in front of them (to avoid filters)
-    var pattern = /([^"'=\s])(\s*)#([0-9a-f])([0-9a-f])([0-9a-f])([0-9a-f])([0-9a-f])([0-9a-f])(\}|[^0-9a-fA-F{][^{]*?\})/gi,
+    var pattern = /([^"'=\s])(\s*)#([0-9a-f])([0-9a-f])([0-9a-f])([0-9a-f])([0-9a-f])([0-9a-f])(\}|[^0-9a-f{][^{]*?\})/gi,
         m,
         index = 0,
         sb = [];
diff --git a/tests/color.css b/tests/color.css
index db112cd..71ee739 100644
--- a/tests/color.css
+++ b/tests/color.css
@@ -1,6 +1,6 @@
 .color {
   me: rgb(123, 123, 123);
-  impressed: #ffeedd;
+  impressed: #FfEedD;
   again: #456789;
   andagain:#aa66cc;
   background-color:#aa66ccc;
@@ -14,16 +14,17 @@
   background-color:#ffee11;
   filter: chroma(color="#FFFFFF");
   color:#441122;
+  border-color:#aa66ccC
 }
 
 .foo #AABBCC {
-  background-color:#ffee11;
+  background-color:#fFEe11;
   color:#441122;
   filter: chroma(color="#FFFFFF")
 }
 
 .bar, #AABBCC {
-  background-color:#ffee11;
+  background-color:#FFee11;
   color:#441122;
 }
 
@@ -34,7 +35,7 @@
 
 @media screen {
     .bar, #AABBCC {
-      background-color:#ffee11;
+      background-color:#ffEE11;
       color:#441122
     }
 }
diff --git a/tests/color.css.min b/tests/color.css.min
index cca04e2..38a35db 100644
--- a/tests/color.css.min
+++ b/tests/color.css.min
@@ -1,3 +1,3 @@
-.color{me:#7b7b7b;impressed:#fed;again:#456789;andagain:#a6c;background-color:#aa66ccc;filter:chroma(color="#FFFFFF");background:none repeat scroll 0 0 #f00;alpha:rgba(1,2,3,4);color:#12a}#AABBCC{background-color:#fe1;filter:chroma(color="#FFFFFF");color:#412}.foo #AABBCC{background-color:#fe1;color:#412;filter:chroma(color="#FFFFFF")}.bar,#AABBCC{background-color:#fe1;color:#412}.foo,#AABBCC.foobar{background-color:#fe1;color:#412}@media screen{.bar,#AABBCC{background-color:#fe1;color:#412}}
+.color{me:#7b7b7b;impressed:#fed;again:#456789;andagain:#a6c;background-color:#aa66ccc;filter:chroma(color="#FFFFFF");background:none repeat scroll 0 0 #f00;alpha:rgba(1,2,3,4);color:#12a}#AABBCC{background-color:#fe1;filter:chroma(color="#FFFFFF");color:#412;border-color:#aa66ccC}.foo #AABBCC{background-color:#fe1;color:#412;filter:chroma(color="#FFFFFF")}.bar,#AABBCC{background-color:#fe1;color:#412}.foo,#AABBCC.foobar{background-color:#fe1;color:#412}@media screen{.bar,#AABBCC{background-color:#fe1;color:#412}}