vim-lightline: colors not used in CLI

[la Fleur]

Description

The vim-lightline theme affects vim GUIs that use it, but not CLI like ... vim.

To reproduce

Steps to reproduce the behavior:

yarn add themer @themerdev/vim-lightline @themerdev/colors-default
yarn run themer -c @themerdev/colors-default -t @themerdev/vim-lightline -o build
mkdir -p ~/.vim/autoload/lightline/colorscheme/
cp build/vim-lightline/ThemerVimLightline.vim ~/.vim/autoload/lightline/colorscheme/
echo "let g:lightline = { 'colorscheme': 'ThemerVimLightline' }" >> ~/.vimrc

Screenshots

That's how it should be :

That's how it is (check the NORMAL background being darker) :

Expected behavior

I expect lightline's theme to have support for both CLI and GUI applications.

Environment information

CLI

Running up-to-date Arch linux.
node version 16.11.1
themer version ^3.3.9
@themerdev/vim-lightline version ^3.1.2