buy these colours and you will be set for anything buy them in 6, 8, 10.
troutbeads brand go with;
chartreuse, glow roe, cotton candy, peach fuzz and maybe a mottled white.
centerpinangling brand go with
tangarine, ny cheese. iridescent orange, salmon bloodine.
essentially you want to have one pink, one orange, one peach, one white and one yellow, of clear and solid colour variety to cover all basis.
if you had to pick two beads, glow roe and cottoncandy/peach fuzz will always catch you fish, unless conditions really needs specific colour.