It's not just the blackness that matters, but also the degree of lack of reflectivity (sheen). Krylon offers a model named "Ultra Flat Black", catalog no.1602. It's like a black hole!
The blackest black paint ever
Thought I'd share, I bet there's a bunch of applications in HT screens here:
https://www.kickstarter.com/projects/culturehustle/the-blackest-black-paint-in-the-world-black-30
Also, it's very cool stuff. I have no financial interest in it, but figuring out a good use for it will keep me up for a while.
https://www.kickstarter.com/projects/culturehustle/the-blackest-black-paint-in-the-world-black-30
Also, it's very cool stuff. I have no financial interest in it, but figuring out a good use for it will keep me up for a while.