Adding to that, Green food or drink only buffs one stat. Blue buffs two stats and you can get various recipes (stam + magicka, health + stam, health + magicka)
Purple food and drink buffs all 3 stats at once.
Lag is ruinin' my 'mershun! A society grows great when old men plant trees whose shade they know they shall never sit in. There is only one good, knowledge, and one evil, ignorance - Socrates Member of the Old Guard, keepers of the game's history