+ * `link`: color for an url.
+ * `hashtag`: color for a hashtag.
+ * `mytweet`: color for tweet's text from yourself.
+ * `keyword`: color for highlighted keyword (in tweets search).
+* `NOTIFICATION`: colors of notification events.
+ * `source_nick`: color for user's __username__.
+ * `notify`: color for notification message.
+ * `clock`: color for time of notification event.