A Wash for Zinc Chromate Yellow

Thanks for that, BlackSheep.  It appears there are many options, so I'll be experimenting around with them.

I use Model Master Black Detail Wash. Works pretty good in my opinion.

Thanks for the additional suggestion, Don.  I'll give that a try, too.

I often use a very dark gray wash, such as a wash made with Swartzgrau.

Thanks, Nathan and stik.  I usually use cheap acrylic craft paints for washes, so if I don't have any kicking around, I'll pick up a bottle of both.  I appreciate all the suggestions.

Raw umber gives a more mild look. Burnt umber will make the details really stand out...

Raw Umber too

Thanks, mgh; I may even have some of that on hand.