Set default --color to "off"

ncdu.1

@@ -1,6 +1,6 @@
 .\" SPDX-FileCopyrightText: Yoran Heling <projects@yorhel.nl>
 .\" SPDX-License-Identifier: MIT
-.Dd January 21, 2024
+.Dd April 20, 2024
 .Dt NCDU 1
 .Os
 .Sh NAME
@@ -295,10 +295,7 @@ for a variation of the
 color scheme that also works in terminals with a light background.
 .Pp
 The default is
-.Ar dark\-bg
-unless the
-.Ev NO_COLOR
-environment variable is set.
+.Ar off .
 .El
 .Sh CONFIGURATION
 .Nm

src/main.zig

@@ -433,7 +433,6 @@ pub fn main() void {
                 config.thousands_sep = span;
         }
     }
-    if (std.posix.getenvZ("NO_COLOR") == null) config.ui_color = .darkbg;
 
     const loadConf = blk: {
         var args = std.process.ArgIteratorPosix.init();