Wanting advice on adding some colour to my tank....

[newreefer_59]

I have about 15 species of SPS an LPS coral in my 150 gallon tank and 16 fish....all are healthy and in good shape. Pics are attached under my profile. Question tho: I am wanting to add some more coral or softies or whatever and not sure which direction to go...there is alot of brown and pink in my tank and would like to add some colour and vibrance......any thoughts on what I could add to achieve this?