Night Light not working

Hi, I am trying to activate night color from settings. Night light is is not working. I tried selecting 4 options from dropdown. But none of them are working. This is my system information.

KDE Plasma version: 5.24.6
KDE Frameworks version: 5.96.0
Kernel version: 5.15.60-1-MANJARO

Is there any way to resolve this issue??

go to system settins/gamma and try changing some colors there to see if you are even able to modify your display …

I don’t see any effects after changing gamma settings.

install the 5.18 kernel, reboot, select it in grub, boot with it and see if you can change it