See also: Psoriasis written for patients. Guttate psoriasis is a distinctive acute skin eruption characterised by small drop-like, salmon-pink papules which usually have a fine scale. This variant primarily occurs on the trunk and the proximal extremities but it may have a more generalised distribution.
Magic: The Gathering has five distinct colors of mana used to determine the strategy or overall theme of gameplay.
Now they are very specific crystals that can create a lightsaber, the Jedi have special temples that produce the colors mentioned before. The Sith have Red sabers because of an unnatural crystal that they mass produce, I am not sure if the red color is by design or represents a stronger blade, but they seem equal to other lightsabers.