I proudly present, Acorn's signature colors! 

'Meanwhile, Acorn leaped from stone to stone, his keen eyes picking out pathways hidden to all but the most observant, ensuring their safe passage through Shadowfen's eerie embrace.
"Keep your eyes on me, Jabber, I'll lead us through this with a bit of luck and swift feet," Acorn called back, his step sure and determined.'

-Siege of Silverpeak