# Comp on dark bg an object shot on white BG advice **URL:** \ **Category:** Flame Questions\ **Tags:** compositing\ **Created:** [December 17, 2022, 7:26pm UTC](https://forum.logik.tv/t/comp-on-dark-bg-an-object-shot-on-white-bg-advice/7308 "2022-12-17T19:26:30Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![philobedo](https://avatars.discourse-cdn.com/v4/letter/p/b19c9b/32.png) [@philobedo](https://forum.logik.tv/u/philobedo)\ **Post date:** [December 17, 2022, 7:26pm UTC](https://forum.logik.tv/t/comp-on-dark-bg-an-object-shot-on-white-bg-advice/7308/1 "2022-12-17T19:26:30Z")
Hi. I’m in a job where I have to comp an object shot on a white background in front t of a quite dark scene. As the object is pale pink and has motion blurred fringes (it’s a bag), have you any advice to make that comp work as well as possible. I’m not to worried as I’ve already made a V1 that shows it will ultimately work using a clean plate, a difference matte to pull a decent matte and used a color source in mon/darken mode over my plate to « despill » my object (ie: remove as much with as possible specially in the motion blurred areas that are very bright and can’t be comped over dark plate as is…) I would be interested in trying any other way… 🙏 ---
**Author:** ![Edusanjo](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.logik.tv/edusanjo/32/1533_2.png) [@Edusanjo](https://forum.logik.tv/u/Edusanjo)\ **Post date:** [December 17, 2022, 7:37pm UTC](https://forum.logik.tv/t/comp-on-dark-bg-an-object-shot-on-white-bg-advice/7308/2 "2022-12-17T19:37:51Z")
Paint is your friend ---
**Author:** ![philobedo](https://avatars.discourse-cdn.com/v4/letter/p/b19c9b/32.png) [@philobedo](https://forum.logik.tv/u/philobedo)\ **Post date:** [December 18, 2022, 12:25pm UTC](https://forum.logik.tv/t/comp-on-dark-bg-an-object-shot-on-white-bg-advice/7308/3 "2022-12-18T12:25:39Z")
For “despill” you can? ---
**Author:** ![PlaceYourBetts](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.logik.tv/placeyourbetts/32/6852_2.png) [@PlaceYourBetts](https://forum.logik.tv/u/PlaceYourBetts)\ **Post date:** [December 19, 2022, 7:11am UTC](https://forum.logik.tv/t/comp-on-dark-bg-an-object-shot-on-white-bg-advice/7308/4 "2022-12-19T07:11:31Z")
Pixel spread is your friend ---
**Author:** ![GPM](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.logik.tv/gpm/32/4224_2.png) [@GPM](https://forum.logik.tv/u/GPM)\ **Post date:** [December 19, 2022, 2:20pm UTC](https://forum.logik.tv/t/comp-on-dark-bg-an-object-shot-on-white-bg-advice/7308/5 "2022-12-19T14:20:56Z")
Agreed about pixel spread. And I would try doing iterative pixel spread - multiple small amount pixel spreads in a chain, rather than one high value spread. ---
**Author:** ![johnt](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.logik.tv/johnt/32/14040_2.png) [@johnt](https://forum.logik.tv/u/johnt)\ **Post date:** [December 19, 2022, 3:04pm UTC](https://forum.logik.tv/t/comp-on-dark-bg-an-object-shot-on-white-bg-advice/7308/6 "2022-12-19T15:04:23Z")
Pixel spread, paint. Also, if you have a good matte, I’d be curious to see how that autodesk matchbox works. The multiply on black one. ---
**Author:** ![philobedo](https://avatars.discourse-cdn.com/v4/letter/p/b19c9b/32.png) [@philobedo](https://forum.logik.tv/u/philobedo)\ **Post date:** [December 19, 2022, 5:01pm UTC](https://forum.logik.tv/t/comp-on-dark-bg-an-object-shot-on-white-bg-advice/7308/7 "2022-12-19T17:01:35Z")
I’ve got a nice enough matte. I’ll try that as well.