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Is there a black and white filter that darkens yellow, specifically blonde hair?

Vonder

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Looking to do a specific nude, but my one model has blonde hair and very pale skin. I'd like more contrast between the two. Suggestions?
 
So red darkens green (opposite side of the color wheel) and blue... although blue is not in opposition to red. What color is on the opposite side of yellow? looks like magenta. I've never seen a filter like that... although there are blue filters. You might try blue.
 
Maybe a VC filter gel for grade 5 held in front of the lens would work?
 
Hoya supply a blue-ish "Portrait" filter mainly for color use, , but from the specification it might help what you want:

http://www.hoyafilter.com/hoya/products/coloredfilters/portrait/

Plain darker blue filters don't seem to be as readily available for B&W as much as the yellow-green, orange and red colors, but there are shades of blue available as light-balancing filters that might be worth experimenting with for B&W film.
 
Try Magenta (a stack of CC filters).
 
That link does not hint at yellow hair on white skin. I rather refer to data sheets.
 
The link has a colour graphic which shows the effects of different colour filters on different colours, including yellow. Surely that's at least a hint.
 
But that texts only hints at traditional b&w filters and those likely will not work.
 
The problem with using a blue or cyan filter is that it will also darken reds and thus emphasize any skin blemishes. Selective lighting could be used to darken the hair.
 
Gerald C Koch said:
The problem with using a blue or cyan filter is that it will also darken reds and thus emphasize any skin blemishes. Selective lighting could be used to darken the hair.
Click to expand...

Blue filter with Gerald's caution.
 
Magenta lighten green also. I would experiment with color filters in front of flash/strobe and a digital camera to speed up the workflow. Once it's done, I'd go with film and the color filter choose,

Cheers,

Renato
 
Start with a file of a colour image of a person with blonde hair. Use a digital processing program and apply various filters in black and white conversion to see what works.
 
Temporary hair dye? I've just tried a range of filters (by eye) and can't find one that significantly separates blond hair from pale skin; not even a IR720 infrared.
 
Maris said:
Temporary hair dye? I've just tried a range of filters (by eye) and can't find one that significantly separates blond hair from pale skin; not even a IR720 infrared.
Click to expand...

This is a great idea. If not, then selective lighting.
 
Maris said:
Temporary hair dye? I've just tried a range of filters (by eye) and can't find one that significantly separates blond hair from pale skin; not even a IR720 infrared.
Click to expand...

That's my best guess. I'm a fairly light blonde with pale skin. The two are close enough in color that any filter that darkens my hair is also going to darken my skin. If my hair is wet, it looks darker. Depending on how you want her to pose, you might be able to try having her hair wet?
 
Maris said:
Temporary hair dye? I've just tried a range of filters (by eye) and can't find one that significantly separates blond hair from pale skin; not even a IR720 infrared.
Click to expand...

Black or brown shoe polish.
 
Kool-aid. Remember it's black and white, so any flavour but lemon would work.
 
You want a cyan filter I think.. something that just cuts out red. Astronomical filters might work too (like H-Beta).
 
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