Re: Gum Tri-Color Yellow

From: Tom Ferguson ^lt;[email protected]>
Date: 06/03/04-12:57:49 PM Z
Message-id: <>

Many (not all) paints will have the pigment number on the tube. In this
case it was the "PY138" I listed after the paint name.

On Thursday, June 3, 2004, at 10:58 AM, Silver Plated wrote:

> So how is one to know which is the proper color to refer to when
> purchasing or discussing pigments?
> Thanks,
> Don Bryant
> -----Original Message-----
> From: Katharine Thayer <>
> Sent: Jun 3, 2004 6:18 AM
> To:
> Subject: Re: Gum Tri-Color Yellow
> Katharine Thayer wrote:
>> Tom Ferguson wrote:
>>> First question: Yellow layer. The "Process" looking yellow paints are
>>> giving me a normal DR and clear well. What they don't do is show the
>>> individual steps well, I get more of a gradient than steps. I settled
>>> on Rowney's "Permanent Yellow #664" (Quinophthalone Yellow PY138).
> Excuse me, all, while I get on my soapbox for just a minute and point
> out that this is an excellent example to demonstrate why pigment names
> and numbers are a better identifier than paint names, even paint names
> attached to a particular manufacturer. A year or two ago someone was
> also talking about Rowney Permanent Yellow, but at that time Rowney's
> Permanent Yellow (It even had the same number, #664) was made of PY1,
> an
> entirely different pigment.
> Katharine
Tom Ferguson
Received on Thu Jun 3 12:58:11 2004

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