Blue

“What if it lines up like it did in the Trojan War ... Athena versus Poseidon?"
"I don't know. But I just know that I'll be fighting next to you."
"Why?"
"Because you're my friend, Seaweed Brain. Any more stupid questions?”
― Rick Riordan, The Lightning Thief

“I nodded, looking at Rachel with respect. "You hit the Lord of the Titans in the eye with a blue plastic hairbrush.”
― Rick Riordan

“Gansey had once told Adam that he was afraid most people didn't know how to handle Ronan. What he meant by this was that he was worried that one day someone would fall on Ronan and cut themselves.”
― Maggie Stiefvater, The Raven Boys

“We have to be back in three hours," Ronan said. "I just fed Chainsaw but she'll need it again."

"This," Gansey replied "is precisely why I didn't want to have a baby with you.”
― Maggie Stiefvater, The Raven Boys