Compilation Instructions

The code can be found here: https://codeberg.org/x11cp/x11cp.git

git clone https://codeberg.org/x11cp/x11cp.git && cd x11cp/src/xcolors

Direct compilation

To compile this application, the following command should be used:

xmkmf -a && make

Toplevel Makefile

There is also a wrapper command in the top-level `Makefile` of the repository where this is can be run as:

make xcolors


xcolors is both a visualisation of all the colours availabe (via rgb.txt) as well as a means of seeing how background and foreground colours interact – which is the main purpose of this program.

Originally written in 1989 by Paul Vixie (of cron(1) fame), the version here is written by Stephen Gildea, in 1991.

xcolors a program written using Xt (the X Intrinsics Library).