Install libcolor-calc-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libcolor-calc-perl
Description:
module for simple calculations with RGB colors
Color::Calc is a Perl module that implements simple calculations with RGB colors. This can be used to create a full color scheme from a few colors and provides a variety of output styles including hexadecimal, 3-tuple as well as versions suitable for HTML and PDF.
Homepage: https://metacpan.org/release/Color-Calc
Version: 1.074-2
Section: universe/perl