xcolors
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
About
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).