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Custom Paint Mixing


nugget
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Hi – does anyone know where I can get paint mixed to an RGB colour code, there is no RAL close to what I’m after?? I’m struggling to find anyone despite contacting a load of paint suppliers found on google.

Ideally in cellulose for ease of spraying but would consider other formats

Thanks
Dave

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[quote name='nugget' timestamp='1404382224' post='2492047']
Didn't even think about Halfords! I'll have to go and talk to them

Thank
Dave
[/quote] No Worries in the bigger Halfords stores they actually mix it while you wait

Or http://www.ebay.co.uk/itm/2-PACK-2K-Car-Body-Paint-BASECOAT-COLOUR-MIXED-TO-CODE-Metallic-pearl-/350695888118?pt=UK_Body_Shop_Supplies_Paint&hash=item51a71a94f6

Edited by Thunderbird
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What's your colour? RGB is an additive colour model whereas paint is a subtractive one, so not all RBG colours can be matched. On top of that RGB is not an absolute, but is device dependant which means that without colour management software the same RGB values will appear different on different output devices (monitors etc.)

Also be careful if you go to Halfords or some other non-specialist paint retailer as they don't always get you an exact match but simply the one that is closest to what they they already have.

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have you tried Manchester Guitar Tech? he can mix nitrocellulose to order but i think there's a minimum order size for custom colours

[url="http://www.manchesterguitartech.co.uk/"]http://www.manchesterguitartech.co.uk/[/url]

matt

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[quote name='BigRedX' timestamp='1404383839' post='2492071']
What's your colour? RGB is an additive colour model whereas paint is a subtractive one, so not all RBG colours can be matched. On top of that RGB is not an absolute, but is device dependant which means that without colour management software the same RGB values will appear different on different output devices (monitors etc.)

Also be careful if you go to Halfords or some other non-specialist paint retailer as they don't always get you an exact match but simply the one that is closest to what they they already have.
[/quote]

Its RGB170,133,132

It was spec'd by a graphic designer (I'm sure I'll be corrected on that as he's a member on here) who deals with specific colours etc daily and works on calibrated screens / printers etc, so I'm confident the RGB code is correct, I have a calibrated printout of the colour and think i've found someone who might help from that printout.

I've emailed about 10 places that specialize in custom paint mixing that I found on google now and only 1 has replied - and they didnt even know what RBG was



[quote name='Matt P' timestamp='1404386936' post='2492128']
have you tried Manchester Guitar Tech? he can mix nitrocellulose to order but i think there's a minimum order size for custom colours

[url="http://www.manchesterguitartech.co.uk/"]http://www.manchesterguitartech.co.uk/[/url]

matt
[/quote]

Not wanting to diss them, but i have ordered 2 lots of oly white from them each pot 1 week apart and the colour was not even remotely close. The paint was good quality and if I had ordered enough in the 1st place it wouldnt have been a problem.

Edited by nugget
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[quote name='nugget' timestamp='1404404113' post='2492366']
Its RGB170,133,132

It was spec'd by a graphic designer (I'm sure I'll be corrected on that as he's a member on here) who deals with specific colours etc daily and works on calibrated screens / printers etc, so I'm confident the RGB code is correct, I have a calibrated printout of the colour and think i've found someone who might help from that printout.

I've emailed about 10 places that specialize in custom paint mixing that I found on google now and only 1 has replied - and they didnt even know what RBG was
[/quote]

Most paint manufacturers/retailers won't deal with RGB because as I said before it's device dependent so everybody's screen and printer will produce a different colour depending on how it is set up.

However if you have a printed swatch that you are happy with then you should be able to get someone to mach it.

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[quote name='Bloodaxe' timestamp='1404425180' post='2492630']
See if they'll mix to Pantone 5005 C, according to Photoshop that's the closest match. The next one down (4995 C) looks pretty good to my eye too.

Agree on the printed swatch idea too, but the bigger the better.

P.
[/quote]
What version of Photoshop and Pantone are you using?

I just got Pantone+ Solid Coated 7614C...

CMYK: 30,46,36,16

but if you're after Metallic it would be Pantone+ Metallic Coated 8441C

[url="http://customfilledaerosols.co.uk"]These[/url] guys do Pantone Aerosol Paint

Edited by brensabre79
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[quote name='brensabre79' timestamp='1404474304' post='2492931']
What version of Photoshop and Pantone are you using?

I just got Pantone+ Solid Coated 7614C...

CMYK: 30,46,36,16

but if you're after Metallic it would be Pantone+ Metallic Coated 8441C

[url="http://customfilledaerosols.co.uk"]These[/url] guys do Pantone Aerosol Paint
[/quote]

And this is exactly why RGB is such a poor model for colour matching.

Every computer set up has the potential to give different results depending on how you have set up your colour management and how you have colour calibrated your monitor.

Even Pantone isn't that brilliant because it only describes how to mix the printing ink to a set formula. The reason that Pantone produce both coated and uncoated books is to show the difference when printing on coated and uncoated stock. The ink used is exactly the same for a given Pantone number, the differences in colour are due to how it appears on the different types of paper. Spraying onto wood will give a different result again.

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[quote name='BigRedX' timestamp='1404476646' post='2492966']
And this is exactly why RGB is such a poor model for colour matching.

Every computer set up has the potential to give different results depending on how you have set up your colour management and how you have colour calibrated your monitor.

Even Pantone isn't that brilliant because it only describes how to mix the printing ink to a set formula. The reason that Pantone produce both coated and uncoated books is to show the difference when printing on coated and uncoated stock. The ink used is exactly the same for a given Pantone number, the differences in colour are due to how it appears on the different types of paper. Spraying onto wood will give a different result again.
[/quote]

Ah that's a good point BigRedX, the translation from RGB to CMYK or Pantone etc. will depend upon which RGB colour standard (eg. sRGB, PAL, NTSC, Adobe RGB, Apple RGB, etc.) you are using on your machine AND the conversion engine (Adobe/Apple). Whew! It's a minefield!

I say go back to your designer and ask for a PANTONE reference. This is the most reliable way to match a colour exactly.

Incidentally, the PANTONE system is not just to tell you how to mix inks (this is one use for the Pantone Formula guide to mix from CMYK inks). They also make the actual ink in the specific colour (some of which cannot be mixed). SO... you can get a consistent colour reproduction using Pantone inks (not formula guide)...

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[quote name='brensabre79' timestamp='1404486192' post='2493117']I say go back to your designer and ask for a PANTONE reference. This is the most reliable way to match a colour exactly.

Incidentally, the PANTONE system is not just to tell you how to mix inks (this is one use for the Pantone Formula guide to mix from CMYK inks). They also make the actual ink in the specific colour (some of which cannot be mixed). SO... you can get a consistent colour reproduction using Pantone inks (not formula guide)...
[/quote]

Unfortunately this isn't how Pantone printing inks work at all. When a printer makes up a particular Pantone colour they are following formula to produce the ink (not like a mix of CMYK) but from a neutral base and then various colour pigments to give you the desired ink colour. However that colour makes no allowances for the substrate it is printed on hence the need for coated and uncoated colour guides. The ink is exactly the same all that changes is the type of paper, but the result is entirely two different colours.

Remember that printing inks and paints are subtractive colours and the material that they are printed (or painted) on to affects the final colour perceived.

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[quote name='BigRedX' timestamp='1404489293' post='2493167']
Unfortunately this isn't how Pantone printing inks work at all. When a printer makes up a particular Pantone colour they are following formula to produce the ink (not like a mix of CMYK) but from a neutral base and then various colour pigments to give you the desired ink colour. However that colour makes no allowances for the substrate it is printed on hence the need for coated and uncoated colour guides. The ink is exactly the same all that changes is the type of paper, but the result is entirely two different colours.

Remember that printing inks and paints are subtractive colours and the material that they are printed (or painted) on to affects the final colour perceived.
[/quote]

I hear ya, but it's 1000%[sup]*[/sup] more accurate than an RGB code for mixing paint innit?
plus, there are paint makers out there who will produce paint to a PANTONE colour - which is what it sounds like the OP needs.

Even process printing CMYK on the same stock with the same mix of ink on two different days isn't going to be exactly the same. It's not an exact science at all. But the colour matching systems like Pantone do help a lot. Of course whatever something is printed / painted onto will affect its outcome. If you print Red on to blue paper it'll look purple...

I was trying to point out the differentiation between a Pantone "Formula Guide" which tells you how to mix a particular colour out of CMYK - vs- the Panton matching system whereby you can buy a pot of ink/paint etc. in that colour - you don't mix a 3 or 4 digit Pantone colour, you buy it ready mixed. You're right that you can approximate some Pantone colours by mixing CMYK inks though. :)

(* I can't back that figure up)

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