Concrete is almost the only colorfull block thats usable, wool looks ugly/weird and terracotta is way to dark 9/10times
So concrete is often perfect, but it SUCKS to farm, the dyes arent that bad but the sand and gravel required is ... Just plain annoying you have to farm for like 30m before you can use a little bit of concrete, and most builds are medium sized at best requiring quite some concrete
And idk what to type here i just want easier concrete access tbh, i dont mind if id have to pay 1 diamond for 1 stack or if someone has an innovative idea to make it easier like a custom silly craft recipe or you get a stack of random concrete when killing a bat but i hope i can get easier accessssss toooooo concreterinos