set docmaphighlight
set docmaphighlight= { colorname | #rgbspec}
This command specifies the color value used to highlight the Document Map line containing the cursor. The value is either a named color or an RGB specification preceded by #. The default is no highlighting. Set the value of this option to default to remove any existing highlighting.
The
docmaphighlight command is an advanced preference with global scope. When you edit this preference, click on the down arrow to display the
Color palette.
Examples
set docmaphighlight=blue
set docmaphighlight=#dd00dd