I know this is an old thread but I like to add this into about the color codes, its a mnemonic.
0-BAD-BLACK
1-BEER-BROWN
2-ROTS-RED
3-OUR-ORANGE
4-YOUNG-YELLOW
5-GUTS-GREEN
6-BUT-BLUE
7-VODKA-VIOLET
8-GOES-GRAY
9-WELL-WHITE
Learned it while I was on merchant training ship, have never forgotten.