"Mmm." Simon mumbles to himself, stalling for time while he tries to come up with an answer. Definitely couldn't be red or blue. Maybe it was something neutral? But those drab colors reminded him of the shatterdomes he'd spent several years of his life in, and some of the best memories. "Hmmm." Or it could be something really bright and obnoxious? But neon greens and blues and even pinks just made him think of the lights on a terminal, monitoring Helix Plunge's status.

After a long moment he sighed, sounding defeated. "Nope. I can't do it. I have good memories of all of them."