Are you a Minecraft content creator or someone who makes Minecraft machinimas? Than I have a add-on for you. This add-on provides Green, Blue and Red screens that YOU can chroma key out to make a custom background .
As of right now theses blocks do not show up in the creative menu, to get the blocks you can use /give commands or crafting recipes.
This add-on uses a new method on adding blocks and wont show up in stranded Minecraft until 17.0 comes out.
This add-on adds 3 chroma key blocks Green, Blue and Red screens that YOU can chroma key out to make a custom background.
Quick Tutorial on how to chroma key
You may be wondering why not just use concrete blocks? Concrete blocks are darker and don't glow in the dark.
Here's what it looks like in action:
How do i gets theses blocks?
Method One: /give commands
Method Two: crafting recipes
As of right now theses blocks do not show up in the creative menu.