Since Linux v3.16, the vt driver recognizes 256-color and even 24-bit escape sequences, but it maps the colors to the 16-color palette: https://git.kernel.org/

Since Linux v3.16, the vt driver recognizes 256-color and even 24-bit escape sequences, but it maps the colors to the 16-color palette: https://git.kernel.org/linus/cec5b2a97a11ade5 https://git.kernel.org/linus/cec5b2a97a11ade5