"You can arrange them on a colour wheel that models the transitions more gradually — red, reddish-orange, orange, yellowish-orange, yellow, and so on."
"To the human eye, Pluto has a yellowish-orange color, and is about 20% redder than it used to be."
"Huge amounts of yellowish-orange particles are released en masse from the array and focused by Lexx's nervous system to a point just above its mouth."