have they changed colour at all yet? my SRP pretty much started off having that same pale yellow colour, with only a slight green tinge to them at the very beginning.
either way, i think yours are not ripe no matter what they are. for the most part, any trace of green colour means they are not yet fully ripe.
but i am no expert, and don't have a lot of experience with yellow-at-maturity varieties, so don't take my word for gospel. had