Just modded my K70 with white pudding keycaps from hyperx : r/Corsair
PBT DOUBLE-SHOT KEYCAPS COMPATIBILITY & INFORMATION
CORSAIR K70 RGB PRO Full-size Wired Mechanical Cherry MX Speed Linear Switch Gaming Keyboard with PBT Double-Shot Keycaps Black CH-9109414-NA - Best Buy
Quick Look: Corsair Gaming PBT Double-shot Keycaps - PC Perspective