But if you just want simple easy to remeber colours use these:
black
gray
white
steelblue
blue
royalblue
dodgerblue
cornflowerblue
skyblue
turquoise
teal
seagreen
green
forestgreen
green
springgreen
lime
yellow
goldenrod
orange
coral
salmon
peru
red
indianred
darkpink
hotpink
fucshia
pink
orchid
plum
purple
indigo