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 Portrait of the Hon. Mrs Ernest Guinness (Frank Dicksee, 1912) oil on canvas

Of all the colors in my paintbox I am most dissatisfied with blue.  There are a lot of strong greens and there are vivid cadmium yellows, oranges, and reds.  There is ivory black which as dark as the depths of the void and dioxazine violet which is a great purple, but blue is a difficult color.  The brightest blues of the sky are from sunlight which has been scattered by the atmosphere.  The blues of bird feathers and butterfly wings are from careful refraction of light from reflective structures in the wings: if you ground peacock feathers fine enough there is no more blue….

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The main blue pigments in the painter’s palette are cobalt blue (which is ancient and robust but a trifle subdued) ultramarine blue (a sulfur-containing sodium-silicate) which inclines toward purple, and cerulean blue a sky blue cobalt stannate which is painfully expensive.  Oh! there is a manganese blue out there in the paint stores, but I never used it until I bought a little tube a month ago,  so we’ll see how it turns out: it is sort of a tropical powder blue.  They are each beautiful but they each have their problems and none is the pure royal blue in the center of the spectrum which is bright, non-toxic, and lightfast (although the poisonous cobalts and…ultramarine too… last through the long ages).  This is why I was excited when my old painter friend Brendan (a raven painting specialist) sent me a link to an article about a new blue pigment.

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YInMn blue

The new blue is called YInMn blue.  Discovered a couple of years ago by Robin Young, the new blue is lightfast, stable, and seemingly nontoxic (although sometimes in the past problems have taken a while to become evident).  The new blue is made of yttrium oxide, indium oxide, and manganese oxide.  It seems to be extremely lasting, and best of all it is very very blue.  Unfortunately, right now it is expensive (and the paint companies are still testing it out), but I have a feeling it might hit the market soon, and whatever its faults it can’t be worse for one’s health than carcinogenic cobalt.

Kudos to Robin Young for the new color.  I can’t wait to get a tube and paint some truly blue flounders…speaking of which, i better head back to the easel.

 

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