https://www.curseforge.com/minecraft/mc-mods/modern-flat-colored-blocks

Mod description
Adds a machine to create solid blocks of any colour as well as set the blocks made to be translucent or fluorescent

Why would you like the mod added?
Works great with chisels and bits

Screenshots if applicable.

Looks pretty good, but it has no issue tracker, no source and is All rights reserved. I'm afraid that makes it a hard pass.