gonio already have green and red already.
GSP / starpolyps too ==> luminous green
Super sun => orange, sun = yellow/ orange (get huge colonies)
Zoas - get more big face ones. or palys. dun get too many red / brown skirting
Torch / true octo => luminous green
huge coco worm =? red
Rics => put all the rics on 1 rock or 2 and place them in same location => multicolour
Leather => green
Sponge = blue
Then you can get montis = lime green, orange, purple, so many colours.....