I have, for your consideration, two #trans flag alt colorways.

First is a muted version (a #transmuted flag, if you will) for folks who aren't into pastels:

#324062 #7c3e49 #dbdbdb

And second is a sort of odd flag, for people who are sort of trans, but in a slightly unusual way (perhaps, #transmisc?)

#635ee1, #ff986e, #e3ffb0

Done in both gouache and digital (to set it free of the whims of color shift and bad lighting)