Fix color render

packages/rocketchat-colors/client.coffee

@@ -9,7 +9,7 @@ class ColorsClient
 			msg = message.html
 
 			msg = msg.replace /(?:^|\s|\n)(#[A-Fa-f0-9]{3}([A-Fa-f0-9]{3})?)\b/g, (match, completeColor) ->
-				return match.replace completeColor, "<div class=\"message-color\"><div class=\"message-color-sample\" style=\"background-color: #{completeColor}\"></div>#{completeColor.toUpperCase()}</div>"
+				return match.replace completeColor, "<div class=\"message-color\"><div class=\"message-color-sample\" style=\"background-color:#{completeColor}\"></div>#{completeColor.toUpperCase()}</div>"
 
 			message.html = msg
 		return message