# Grey Screen **URL:** \ **Category:** Tips and Tricks\ **Tags:** keying, chroma\ **Created:** [April 2, 2021, 3:21pm UTC](https://forum.logik.tv/t/grey-screen/2776 "2021-04-02T15:21:23Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![andy\_dill](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.logik.tv/andy_dill/32/15475_2.png) [@andy\_dill](https://forum.logik.tv/u/andy_dill)\ **Post date:** [April 2, 2021, 6:29pm UTC](https://forum.logik.tv/t/grey-screen/2776/2 "2021-04-02T18:29:11Z")
It’s a thing in some circles. No special “trick” to it other than loads of roto. More discussion on the matter here: > [@Comping grey screens](https://forum.logik.tv/t/comping-grey-screens/2641): > > Afternoon all After seeing a lot of very helpful comping tips recently I thought I’d ask the question about comping on to grey screens. Usually I’d use a couple of blending methods to get the desired effect and then luma key anything that goes over the top, which usually then has a few masks to help clean it up, nothing crazy just keeping it simple as I usually tend to work in longform so I’ll have a list that’s pretty extensive! Does anyone have any good tips they’d be happy to share? I’ve at… --- _[View the full topic](https://forum.logik.tv/t/grey-screen/2776)._