Well, I do have some in silver... I could swap for some in purple. Only thing is, I've seem to have lost those square-going-around-the-corner-thingies-to-mount-your-brake-blocks-on thingies from one brake. You know what I mean? Those L shaped things.
So one lokes like this (actual brake pic btw):
The other one is like yours but silver. Just lemme know...