It's a mashup of "TokyoNight" theme, by SoraTenshi and one of the default themes.
https://github.com/SoraTenshi/FlowLauncher-TokyoNight
I like the glass effect but I'm usually copying something under the launcher. So I want to be able to see and read it.
Transparent
No Glass Effect
Theme for FlowLauncher