plain TeX: "color" also colours page number

[Rodolfo Medina]

In the simple example I'm attaching, to be processed with simply `tex file',
using `color' plain TeX package, the page number is also coloured, that I don't
want: how can I avoid it?

Thanks,

Rodolfo

-------------- next part --------------
A non-text attachment was scrubbed...
Name: test.tex
Type: text/x-tex
Size: 8333 bytes
Desc: not available
URL: <https://tug.org/pipermail/texhax/attachments/20250723/5522892e/attachment.bin>