The login screen appears gray (Budgie 26.04); it was working fine before. Iβm not sure which software I uninstalled caused this issue. After entering my password, the desktop displays normal colors.
ubuntu@master:/etc/sddm.conf.d$ cat 50-ubuntu-budgie.conf
[Theme]
Current=ubuntu-budgie-login
ThemeDir=/usr/share/sddm/themes
CursorTheme=Breeze_Light
CursorSize=24
[General]
InputMethod=qtvirtualkeyboard
GreeterEnvironment=QML2_IMPORT_PATH=/usr/share/sddm/themes/ubuntu-budgie-login/components/,QT_IM_MODULE=qtvirtualkeyboard
[X11]
DisplayCommand=/usr/libexec/budgie-sddm-display-setup
ubuntu@master:/etc/sddm.conf.d$
ubuntu@master:/etc/sddm.conf.d$ ls -lhtra ls /usr/share/sddm/themes/ubuntu-budgie-login/
ls: cannot access 'ls': No such file or directory
ls: cannot access '/usr/share/sddm/themes/ubuntu-budgie-login/': No such file or directory
ubuntu@master:/etc/sddm.conf.d$