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Wall of Test Samples That Will Be Shipped in October to Arizona for Accelerated Exterior Lightfastness Testing following ASTM D4303

Lightfastness Testing at Golden Artist Colors

While we often report on results from lightfastness testing, we have rarely paused to actually describe the process we follow. And let’s face it, for most people stating that our tests conform to ASTM D4303, Standard Test Methods for Lightfastness of Colorants Used in Artists’ Materials, does very little to fill in the blanks. In an attempt to solve […]

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Titanium White Dark Yellowed for 1.5 Years then Exposed to Sunlight for 8 Hrs

What is Dark Yellowing?

Dark yellowing is the reversible, temporary yellowing that dried oil paint undergoes when stored in the dark or subdued lighting. While noted in many historical writings, most painters remain unaware of it and become surprised or concerned when they discover it happening to their own works. Which makes sense. With no other context to go […]

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Painting with Oils on Paper

For oil painters who find themselves eager to paint but reluctant to spend too much time or money on surface preparation, you might try working on paper. Paper can be reasonably priced, easy to prepare and less formal than panel or stretched canvas. If prepared properly and maintained with longevity in mind, paper can be […]

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(Left) Iridescent Pale Gold (Right) Iridescent Pale Gold thinned with Odorless Mineral Spirits

Not All That Glitters Is Gold – Williamsburg Iridescent and Interference Oil Colors

Gold leaf has been used to beautify and evoke meaning in painting throughout history, functioning as a luminous counterpoint to the flesh, fabric and nature painted with pigmented media. Artists today still use gold leaf, but have also added other metal foils, glitters, iridescent and interference paints to their palettes to activate and enliven their […]

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Comparison of Williamsburg's Cobalt Blue Deep. Cobalt Blue, and a trial batch of YInMn Blue

YInMn Blue

Imagine inventing a color. Not a new shade or tint or blend made from others on the palette, but an entirely new pigment with a novel chemistry. For most artists that thought alone can instill a strong sense of wonder, of something magical and mysterious being coaxed into being from an alchemical mix of ingredients. […]

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Apple and orange on a white background

Are acrylics as durable as oils?

  If oil paint was just now being invented, and had to sell itself to the marketplace as a new medium, it would probably have an incredibly difficult time – especially if we knew beforehand that its list of problems would include yellowing, cracking, wrinkling, flaking, embrittlement, hydrolysis, fatty acid crystallization, protuberances and delamination caused by […]

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Tubes representing the average volume of oil vs pigment.

Volume, Weight, and Pigment to Oil Ratios

Oil painters concerned with fat over lean will often turn to information about the oil absorption values for particular pigments as a way to compare how oily or lean certain colors might be. However this has led to many misconceptions and outrightly wrong conclusions which seem to persist in various forums and articles. In what follows […]

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CadmiumMill_12.15

EU Decides Not to Ban Cadmium Pigments in Artist Paints

The European Chemicals Agency (ECHA) recently published its final decision that Cadmium pigments will not be restricted in artist paints. You can read the entire document here: http://ec.europa.eu/growth/tools-databases/newsroom/cf/itemdetail.cfm?item_id=8530&lang=en In two previous issues of Just Paint we shared information concerning the possibility of Cadmium pigments being banned in artist paints. Just Paint Issue 4 (October 1996) […]

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