[Kaas]

I assume you mean the actual "users" that are listed in "whos Online"

Most boards only have one skin, one option could be to use
My Board uses 4 user selectable Schemes which I chose colrs that show up in all 4 well..

https://vborg.vbsupport.ru/showthrea...ent+user+color

or just make your user markup colors something that can be viewed on all schemes with the user markup function..

Username HTML Markup
The first field is the opening tag. The second field is the closing tag. These tags will be inserted around the user's username like this:

[opening tag]username[closing tag]

Some HTML tags you might want to use here include:

<span style="font-weight: bold;">username</span> = username
<span style="font-style: italic;">username</span> = username
<span style="text-decoration: underline;">username</span> = username
<span style="color: red;">username</span> = username
<span style="font: 20px verdana;">username</span> = username

You can also do combinations by using more than one attribute in the style property:

<span style="font: 20px verdana; color: red;">username</span> = username

Note that within the templates and code, the resulting username surrounded by HTML markup is referred to as 'musername'.

Hope that helps..
I am not usually good at this stuff;P