Thanks for reading.
There's a display of incense at the nearby new age shop. The display has a color key. This is what the color key has to say about the six colors from the color wheel. Some of it's off, but the last one particularly seems spot on to me.
Green Finance / Fertility / Luck
(Dark) Blue Impulsiveness / Depression / Changeability / Finance / Fertility / Luck
Purple Calling the powers of the Ancient Ones / Sigils / Runes / Government
Red Strength / Health / Vigor / Love
Orange Material gain / To seal a spell / Attraction
Yellow Attraction / Persuasion / Charm / Confidence / Wisdom
Arthuriana sources I use or recommend:
Arthuriana - the Journal of Arthurian Studies; the website of the quarterly journal of the North American Branch of the International Arthurian Society.
The Camelot Project at the University of Rochester.
Camelot In Four Colors: A Survey of the Arthurian Legend in Comics
Mystical-WWW - The Arthurian A2Z knowledge Bank which has encyclopedically-arranged entries on the characters of the Arthurian legends.
Le Morte Darthur: Sir Thomas Malory's Book of King Arthur and of his Noble Knights of the Round Table, Volume 1 and Volume 2.