The brown iris that do well in our garden are Piute Pass brown/yellow,
Broadway , Freckled Sunshine is yellow/Brown, Copper Classic, Pink Fawn is
fawn colored with blue beards here, Chocolate Vanilla is different with
brown,Nectar,Chocolate Marmalade and Rococoa are a few of the ones I have
that do very well with brown, or beige coloring. The above iris bloom
every year.. Billings Montana--Zone 4.