I've been using ccae on my raspberry pi systems (rpi1, rpi2, and rpi3) to add color to /dev/tty12 messages over the years. It is stable, but there is no arm keyword. Please add the ~arm keyword to app-admin/ccze-0.2.1-r3
commit 45820f770ca665db5479822a931444c50b6a0e57 Author: Michael Weber <xmw@gentoo.org> Date: Sat Feb 11 00:02:21 2017 +0100 app-admin/ccze: add ~arm keyword (bug 586710). Package-Manager: Portage-2.3.3, Repoman-2.3.1