/usr/lib/x86_64-linux-gnu/libcolordprivate.so is in libcolord-dev 1.2.12-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libcolordprivate.so.2.0.4
/usr/lib/x86_64-linux-gnu/libcolordprivate.so.2.0.4