Blue could also mean dark green, violet, black or brown. The ancient Greek word for a light blue, "glaukos", also could mean light green, grey, or yellow. The Greeks imported indigo dye from India, calling it indikon. They used Egyptian blue in the wall paintings of Knossos, in Crete, (2100 BC). It was not one of the four primary colours for Greek painting described by Pliny the Elder (red, yellow, black, and white), but nonetheless it was used as a background colour behind the friezes on Greek temples and to colour the beards of Greek statues. The Romans also imported indigo
Legend of the Five Rings (collectible card game) black or green, featured five interlocked rings and the words "Legend of the Five Rings". Starting with the release of "Pearl Edition" in 1999, the card fronts were changed to a simpler, cleaner look that allowed for more card text, as well as returning the visual focus of the card on the art, rather than the borders of the card. Following a legal issue with the International Olympic Committee, which has trademark-like rights in the United States to all designs featuring five interlocking rings, it was agreed that Wizards of the Coast would change the card back. This was done