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 Pigment Names and Numbers

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Callie
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PostSubject: Pigment Names and Numbers   Sun Dec 13, 2009 4:15 pm

Just wanted to share this - Dick Blick has a neat feature on their site for finding out pigment information:

http://www.dickblick.com/items/00494-3063/#colorpigments

Just click the icon next to the item number alongside the paint colors (any brand) and you can see a close up color swatch and read all sorts of info about that particular color. If you like to try different brands of paints, you'll soon notice that the same colors (by name) can be very different in use. It's interesting to see how different paint makers formulate their colors.
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judyfilarecki
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PostSubject: Re: Pigment Names and Numbers   Sun Dec 13, 2009 4:25 pm

Thanks Callie,

I wish there was some standard for naming colors. It is frustrating when I give my acrylic students the name of a color, like permenant sap green, and when they can't get the same brand I have, their color is about 3 or 4 values lighter than mine.

I'm sure this holds true with different brands of WSO's.

Judy

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Janet
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PostSubject: Re: Pigment Names and Numbers   Sun Dec 13, 2009 5:05 pm

Callie, thank you for the link! That's a good one they have tons of info.

Just in case you're wonderding what the codes mean. Example from the link Callie provided. The Holbein Alizarin Crimson has a Pigment Code of PR83. PR=Pigment Red and the 83 is the number for that specific pigment.

  • PB = Pigment Blue
  • PBk = Pigment Black
  • PBr = Pigment Brown
  • PG = Pigment Green
  • PO = Pigment Orange
  • PR = Pigment Red
  • PV = Pigment Violet
  • PW = Pigment White
  • PY = Pigment Yellow


    Judy, I know what you mean you can have 2 colors named the same from different brands with the same pigment code but the colors will look different. From what I've read is this is due to the different manufacturing processes.

    Note that several colors that look very different and are the same brand can share the same pigment code. Again this is due to the different manufacturing process using the same pigments.

    A good example of this would be W&N Cadmium Red Dark, Cadmium Red Light and Cadmium Red Medium. All have the pigment code PR108.

    Cadmium Red Dark


    Cadmium Red Light


    Cadmium Red Medium

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    Last edited by Janet on Wed Dec 16, 2009 9:38 pm; edited 1 time in total
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    dbclemons



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    PostSubject: Re: Pigment Names and Numbers   Mon Dec 14, 2009 11:22 am

    I like this site below as a reference for pigment information, mainly since he includes various label names associated with each one as well as other details like lightfastness and oil absorption.
    http://www.artiscreation.com/Color_index_names.html
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    Janet
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    PostSubject: Re: Pigment Names and Numbers   Mon Dec 14, 2009 1:19 pm

    Great site David with a lot of great information! Thank you for sharing! Smile

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