Plug 'ysdexlic/dwarf.vim' " or other package manager
"...
set termguicolors " enable true colors support
let dwarfcolor="forge" " for default theme
let dwarfcolor="iron" " for rustic theme
let dwarfcolor="steel" " for dark theme
let dwarfcolor="obsydian" " for high contrast theme
colorscheme dwarf
Also has lightline support, add this to your lightline config:
let g:lightline = {
" ...
\ 'colorscheme': 'dwarf',
" ...
\ }