The color24 swap targeted white-on-blue segments, but the last-window
label and powerline separators render the color as foreground on the
terminal background, where color24 is near-invisible.

Assisted-by: GLM-5.3 via pi

diff --git a/.config/tmux/tmux.conf b/.config/tmux/tmux.conf
index a0b8252c..7e859627 100644
--- a/.config/tmux/tmux.conf
+++ b/.config/tmux/tmux.conf
@@ -47,16 +47,16 @@ set-hook -g pane-focus-out 'select-pane -P bg=#333333,fg=default'
 set-hook -g pane-focus-in 'select-pane -P bg=default,fg=default'
 
 # statusline (shamelessly stolen from powerline)
-set -g status-left "#{?client_prefix,#[fg=color254]#[bg=color24]#[bold]#[noitalics]#[nounderscore],#[fg=color232]#[bg=color254]#[bold]#[noitalics]#[nounderscore]} #S #{?client_prefix,#[fg=color24],#[fg=color254]}#[bg=terminal]#[nobold] "
+set -g status-left "#{?client_prefix,#[fg=color254]#[bg=color24]#[bold]#[noitalics]#[nounderscore],#[fg=color232]#[bg=color254]#[bold]#[noitalics]#[nounderscore]} #S #{?client_prefix,#[fg=color31],#[fg=color254]}#[bg=terminal]#[nobold] "
 set -g status-left-length 20
 set -g status-right ""
 set -g status-style fg=color231,bg=terminal
 
 set -g window-status-activity-style fg=color11,bg=terminal
 set -g window-status-bell-style fg=color1,bg=terminal
-set -g window-status-current-format "#[fg=terminal,bg=color24,nobold,noitalics,nounderscore] #[fg=color231,bg=color24,nobold,noitalics,nounderscore]#F#[fg=color231,bg=color24,bold,noitalics,nounderscore]#W #[fg=color24,bg=terminal,nobold,noitalics,nounderscore]"
+set -g window-status-current-format "#[fg=terminal,bg=color24,nobold,noitalics,nounderscore] #[fg=color231,bg=color24,nobold,noitalics,nounderscore]#F#[fg=color231,bg=color24,bold,noitalics,nounderscore]#W #[fg=color31,bg=terminal,nobold,noitalics,nounderscore]"
 set -g window-status-format "#[fg=color244,bg=terminal,nobold,noitalics,nounderscore] #{?window_flags,#F, }#[fg=color240,bg=color0,nobold,noitalics,nounderscore]#[default]#W "
-set -g window-status-last-style fg=color24,bg=terminal
+set -g window-status-last-style fg=color31,bg=terminal
 set -g window-status-style fg=color249,bg=terminal
 
 ## screen bindings