konsole - edit color scheme unable to change highlight coloring

KDE Konsole: 21.04.0

In the “Linux Colors” color scheme editor there are 3 columns “Color” , “Intense Color”, and 'Faint Color",
also there are 10 rows labeled “Foreground”, “BackGround”, and Color 1 through 8
My goal was to brighten the background when a selection is made, I discovered that no matter what cells or columns i choose and radically modify nothing changes in konsole for the background. Changing the color in the “Color” column does change some items on screen so it seems this edit thing works but I cant seem to change the background color for highlighted (e.g selection) text

What am i doing wrong?

bump-
No one knows?

No, I do not know :wink:

Konsole, being a KDE program is not Tumbleweed specific so in this case a Internet search is good thing to try.
I see that you can even Change the color scheme on a per program basis.