The color in my terminal appears weird to me and also in many application like vim and tmux .

Here what I expect my terminal to display.

but the tmux status bar color appears to be

Color Palette

The root causes of this is due to color palette.

This is the color your terminal lookup and use.

You can pick your favorite palette and set each one by hand. For me, I change this to Nord color scheme.

GitHub - nordtheme/gnome-terminal: An arctic, north-bluish clean and elegant GNOME Terminal color theme.

An arctic, north-bluish clean and elegant GNOME Terminal color theme. - GitHub - nordtheme/gnome-terminal: An arctic, north-bluish clean and elegant GNOME Terminal color theme.

GitHubnordtheme

Cheers !