What is the factory wire colors for 2000 Lexus Es and what do they go?

For a 2000 Lexus ES, the factory wire colors for the speaker connections are typically as follows: the front left speaker uses a light green wire for positive and a dark green wire for negative, the front right speaker uses a light blue wire for positive and a dark blue wire for negative, the rear left speaker uses a light gray wire for positive and a dark gray wire for negative, and the rear right speaker uses a yellow wire for positive and a brown wire for negative. Always verify with a wiring diagram or multimeter, as wire colors can occasionally vary.