Just three inches.
You don't have electricians that are colour blind!
Oranges have thick skin. Let the downvotes fly, people! You've only got one! Edit: Did not expect this joke to get this good of a reception. Thanks, guys!
Almond Joy.
he thought, while shining a beam of pure information directly into his eyes from eight inches away.
About 5 inches.
A nearby horseman answers, "Ooh! Ooh! I know this one!"