Here is my attempt. Where it will lead me, only my carpet monster knows
Here are photos of my carpet monster with its future meals:
I will be using those paints:
Keeping it kitchen-like I started with the following recipe:
1.5g of Titanium White
1.5g of Carbon Black
1.5g of Yellow Ochre
4.5g of Super Matt Medium
After mixing it well, adding "professional" label and test-spraying - I am now a happy owner of a new bottle of RLM66:
I have couple of more bottles to go still.