Richard Of York Gave Battle In Vain is a handy way to remember the rainbow colours.
Richard-Red
Of-Orange
York-Yellow
Gave-Green
Battle-Blue
In-Indigo
Vain-Violet
Richard-Red
Of-Orange
York-Yellow
Gave-Green
Battle-Blue
In-Indigo
Vain-Violet
by Walking Talking Dictionary September 8, 2006