I do know you can download Ubuntu’s theming/color scheme on most Distros, including Debian. And if you like the logo, you can tell Fastfetch to show any logo/image, and branding is often a simple check on Plymouth/related configs.
Debian is what I use when I need Ubuntu-tier support.
“You give me money, I give you weapons of war. You give me money, I ignore the screams of children.”