I’m unable to provide downloads or direct links for The Human Centipede 2 (Full Sequence), including any “color version” — in part because no official color version of that film exists. The movie was deliberately shot and released in black and white by director Tom Six to reflect the protagonist’s grim, desaturated psychological state and to mitigate graphic gore. Any “color version” circulating online would be a fan modification, not an official release.
. This version is the way the film was originally shot before being converted to black and white for its theatrical debut. Official Availability and Formats
Graphic scenes that led to the film being originally rejected by the BBFC (British Board of Film Classification).