Grey went brown

[Darryl Roberts]

I was testing light ratios and am perplexed as to why my grey canvas background appears brown. Shot 800 ISO f8 on subject, f4 metered the backdrop. Please help.

I digitally test the exposure before shooting my film.

 

[StepheKoontz]

You need to explain more what this is. Is this a film scan? color negative or chrome? What kind of lighting etc.

 

[Darryl Roberts]

Shot with Nikon D70 (to preview before exposing my 120, 800 ISO Portra) and a Hensel Integra 500w strobe. The backdrop, from Franklin backdrops, is ash grey.

 

[markbau]

Was there any ambient light (light apart from the flash?)

 

[Darryl Roberts]

I had a regular standing lamp on in the room but thought the high shutter speed would've killed the ambient. It was shot in the evening.

 

[MattKing]

The background was probably receiving somewhat different light than the subject.

 

[Darryl Roberts]

Unsolved mystery, all ambient light off, still brown?

 

[Ariston]

That creepy evil manequin probably did something to it!

 

[Darryl Roberts]

It's the light. A speedlight properly rendered it.