# #
###############################################################################
-LIGHT_GREEN = "#00CC33"
-LIGHT_RED = "#CC0033"
+BLACK = "#000000"
+WHITE = "#FFFFFF"
+
+YELLOW = "#FFFF33"
+LIGHT_YELLOW = "#FFFF66"
+
+LIGHT_GREEN = "#00CC33"
+LIGHT_RED = "#CC0033"
+
+COLOUR_OK = LIGHT_GREEN
+COLOUR_ERROR = LIGHT_RED
+COLOUR_WARN = LIGHT_YELLOW