Creating matte black with a colour change??

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DataDog

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Steve
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Evening all,

I've been asked to do a colour change on a picture of a car to change the colour from white (standard gloss paint), to a matte black.

Does anyone know how I would best recreate a matte colour in PS CS5? :thinking::thinking:

Any suggestions (in lehmans terms) greatly appreciated! I do understand the tools but as you know, everyone uses different methods so I may not be familiar with yours. Thanks in advance!:thumbs:
 
I haven't done this myself but I can tell you how I'd go about it. Feel free to ignore me if better advice comes along... :)

First thing I'd do is select all of the white bits that you want to change. You can do this using Select > Color or whatever else is your favourite method. You can now paint over it with a black brush set to Color mode. The main difference between a matte surface and a gloss surface is the amount of reflectivity. The quickest way I know of to get this look is to simply add a Gaussian blur to the white black bits that should still be selected. Of course, you'd do non-destructive editing using duplicate layers all the way.

Unfortunately, I don't have a car photo to check this out on. If you try it while waiting for a perhaps more sensible reply, maybe you could let me know how it goes.
 
Thanks Garry. I'll give it a try in the morning with a clear head! :D
 
I've just had a thought: painting over it with a brush in Color mode won't work if the car is reflecting other colours. You'd want a to use colour replacement or a hue adjustment. If you search the forum (or Google) for "Photoshop colour replacement" you should find some tutorials.
 
It probably won't look right. If the car had a colour it would be simple but white?!
 
Even matt black has some reflection, just a lighter shade, look up displacements maps as it will give some "depth" to the black.
 
Mmm, this is interesting.
I've just done the following. With a white car.

open file and add levels adjustment layer.
at the bottom of the dialogue box, where the output sliders are, change 255 to 0, and 0 to 255.

Paste the original on a new layer on top and mask into the background.

Very quick and dirty, I've missed some roof and mirror, and its not matt which I think is a case of lower key reflections, but I think its a reasonable start.

car17.jpg
 
Side panels look ok but just doesn't look real which is the problem you'll have
 
EOS_JD said:
It probably won't look right. If the car had a colour it would be simple but white?!
Click to expand...

White is a colour!

Why would the original colour make a difference?
 
Thanks for all the replies on this guys.

Essentially, this is just to give a friend some ideas so he can see what would look good. (as opposed to a super-realistic requirement). It's all handy to know though, in case it does crop up in future. If I had to change white to any other colour, I'd have it nailed pretty quickly but I've been experiencing problems with the black, trying to keep any detail.
 
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