Forge Version: 43.1.32
Minecolonies Version: minecolonies-1.19.2-1.0.1070-ALPHA
Rubidium Version: rubidium-0.6.2

When going to place down / view a minecolonies blueprint. Non solid blocks are turned fully white. Blocks affected are:
grass, flowers, vines, carpet etc.

With Rubidium installed

With Rubidium taken out