You can try looking for some imsto dyesub pbt set and mix and match them for your desired result,
However I don't think it will easy or cheap:
Show Image
(http://cdn.overclock.net/3/3c/900x900px-LL-3c14dd29_hangul02.jpeg)
Is that your actual board? I saw ripster with keys like that and i love them so much. But i do not know where to get them. I would pay over 100$ for that blue and red legends. also, are those thick pbt?
You can try looking for some imsto dyesub pbt set and mix and match them for your desired result,
However I don't think it will easy or cheap:
Show Image
(http://cdn.overclock.net/3/3c/900x900px-LL-3c14dd29_hangul02.jpeg)
That looks really good together!