Interesting idea. Maybe someone with more experience will weigh in. Given the idea is to smother the mites it just might work. Just stay away from any red tones. You might end up with some cool (get it? greens, blues, purples) art!
Please keep us posted. I am battling a minor case with my Brahmas who also have the feathered feet. I haven't had the courage to try the gasoline dip yet.