Installation

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',
      " ...
      \ }