Airline themes differ between Vim and Neovim using tmux

environment

vim and nvim


$ vim --version                                                                                                                                                                                                                                     
VIM - Vi IMproved 8.2 (2019 Dec 12, compiled Feb  1 2021 23:54:08)
macOS version - x86_64
Included patches: 1-2450
Compiled by Homebrew
Huge version without GUI.  Features included (+) or not (-):
+acl               -farsi             +mouse_sgr         +tag_binary
+arabic            +file_in_path      -mouse_sysmouse    -tag_old_static
+autocmd           +find_in_path      +mouse_urxvt       -tag_any_white
+autochdir         +float             +mouse_xterm       -tcl
-autoservername    +folding           +multi_byte        +termguicolors
-balloon_eval      -footer            +multi_lang        +terminal
+balloon_eval_term +fork()            -mzscheme          +terminfo
-browse            +gettext           +netbeans_intg     +termresponse
++builtin_terms    -hangul_input      +num64             +textobjects
+byte_offset       +iconv             +packages          +textprop
+channel           +insert_expand     +path_extra        +timers
+cindent           +ipv6              +perl              +title
-clientserver      +job               +persistent_undo   -toolbar
+clipboard         +jumplist          +popupwin          +user_commands
+cmdline_compl     +keymap            +postscript        +vartabs
+cmdline_hist      +lambda            +printer           +vertsplit
+cmdline_info      +langmap           +profile           +virtualedit
+comments          +libcall           -python            +visual
+conceal           +linebreak         +python3           +visualextra
+cryptv            +lispindent        +quickfix          +viminfo
+cscope            +listcmds          +reltime           +vreplace
+cursorbind        +localmap          +rightleft         +wildignore
+cursorshape       +lua               +ruby              +wildmenu
+dialog_con        +menu              +scrollbind        +windows
+diff              +mksession         +signs             +writebackup
+digraphs          +modify_fname      +smartindent       -X11
-dnd               +mouse             -sound             -xfontset
-ebcdic            -mouseshape        +spell             -xim
+emacs_tags        +mouse_dec         +startuptime       -xpm
+eval              -mouse_gpm         +statusline        -xsmp
+ex_extra          -mouse_jsbterm     -sun_workshop      -xterm_clipboard
+extra_search      +mouse_netterm     +syntax            -xterm_save
system vimrc file: "$VIM/vimrc"
 user vimrc file: "$HOME/.vimrc"
2nd user vimrc file: "~/.vim/vimrc"
  user exrc file: "$HOME/.exrc"
   defaults file: "$VIMRUNTIME/defaults.vim"
fall-back for $VIM: "/usr/local/share/vim"
Compilation: clang -c -I. -Iproto -DHAVE_CONFIG_H -DMACOS_X -DMACOS_X_DARWIN -g -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1
Linking: clang -L. -fstack-protector-strong -L/usr/local/lib -L/usr/local/opt/libyaml/lib -L/usr/local/opt/openssl@1.1/lib -L/usr/local/opt/readline/lib -L/usr/local/lib -o vim -lm -lncurses -liconv -lintl -framework AppKit -L/usr/local/opt/lua/lib -llua5.4 -mmacosx-version-min=11.1 -fstack-protector-strong -L/usr/local/lib -L/usr/local/Cellar/perl/5.32.1/lib/perl5/5.32.1/darwin-thread-multi-2level/CORE -lperl -L/usr/local/opt/python@3.9/Frameworks/Python.framework/Versions/3.9/lib/python3.9/config-3.9-darwin -lpython3.9 -framework CoreFoundation -lruby.3.0 -L/usr/local/Cellar/ruby/3.0.0_1/lib

$ nvim --version
NVIM v0.4.4 Build type: Release LuaJIT 2.0.5 Compilation: /usr/bin/clang -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1 -DNDEBUG -DMIN_LOG_LEVEL=3 -Wall -Wextra -pedantic -Wno-unused-parameter -Wstrict-prototypes -std=gnu99 -Wshadow -Wconversion -Wmissing-prototypes -Wimplicit-fallthrough -Wvla -fstack-protector-strong -fno-common -fdiagnostics-color=auto -DINCLUDE_GENERATED_DECLARATIONS -D_GNU_SOURCE -DNVIM_MSGPACK_HAS_FLOAT32 -DNVIM_UNIBI_HAS_VAR_FROM -I/tmp/neovim-20200808-89283-1us0ytm/neovim-0.4.4/build/config -I/tmp/neovim-20200808-89283-1us0ytm/neovim-0.4.4/src -I/usr/local/include -I/tmp/neovim-20200808-89283-1us0ytm/neovim-0.4.4/deps-build/include -I/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include -I/usr/local/opt/gettext/include -I/tmp/neovim-20200808-89283-1us0ytm/neovim-0.4.4/build/src/nvim/auto -I/tmp/neovim-20200808-89283-1us0ytm/neovim-0.4.4/build/include Compiled by brew@Catalina

Features: +acl +iconv +tui See ":help feature-compile"

system vimrc file: "$VIM/sysinit.vim" fall-back for $VIM: "/usr/local/Cellar/neovim/0.4.4/share/nvim"

Run :checkhealth for more info

- vim-airline: latest
- colorscheme: solarized_flood (and all other themes)
- OS: MacOS 11.2
- Have you reproduced with a minimal vimrc: no
- What is your airline configuration:

" --------- " airline.vim " --------- let g:airline_theme='solarized_flood' let g:airline#extensions#tabline#enabled = 1 let g:airline#extensions#tabline#formatter = 'unique_tail' let g:airline#extensions#tabline#show_buffers = 0 let g:airline#extensions#tabline#tab_min_count = 2 let g:airline#extensions#tabline#show_close_button = 0


if you are using terminal:
- terminal: Kitty
- $TERM variable: `screen-256color`
- color configuration (:set t_Co?):  `256`
if you are using Neovim:
- does it happen in Vim: yes

#### actual behavior

inconsistent theme colors between vim and nvim

#### expected behavior

consistent theme colors between vim and nvim

#### screen shot (if possible)
Split tmux pane, left running Neovim 0.4.4 and right running Vim 8.2 (shares the same `.vimrc` file)
<img width="1914" alt="Screen Shot 2021-02-05 at 10 22 12 AM" src="https://user-images.githubusercontent.com/8942915/107053864-5ba50580-679d-11eb-88b9-a04f7ae9e44e.png">

Unable to reproduced this issue outside of tmux.

vim-airline / vim-airline-themes

Airline themes differ between Vim and Neovim using tmux #248

environment