User blog comment:ChishioKunrin/Silver-colored stuff reflects colors in Volume 3/@comment-26397825-20151110204240/@comment-1458758-20151110204554

It might give some credence to that whole "Qrow has silver eyes thing" too if we've just been seeing them reflect or something. Though personally I think he has a Semblance or something that causes the Silver/Red shift, like Yang does.