";s:4:"text";s:4730:" And by “hue” I had always assumed that it was a similar hue to cadmium red, but using different, non-toxic pigment. I did some color correcting, but this darkened and shifted the cad red mediums toward purple, compared to the original sheet in this thread. Saturation. The principal pigments are a family of yellow, orange and red cadmium sulfides an… Bonne découverte.Cadmiums have the broadest range of hues derived from any of the inorganic pigment groups. They are ALL cadmium red, but cadmium red medium is usually referred to as cadmium red. Click and Copy the codes below for quick quick use. It is mandatory to procure user consent prior to running these cookies on your website. These cookies will be stored in your browser only with your consent.
The David Davis and the OH are virtually identical in hue and are the deepest reds. A tremendous value in all sizes. Most of the makers have a red with their own nameplate on it, such as Rembrandt red, or Sennelier red and I like those very well and they are often close to my vermilion standard.The only thing I found on this was from Stapelton Kearns’ website:Their Azo Red Light is PO34 pigment.I found a “cadmium red azo” in Van Gogh oil paints at [URL=http://www.arizonaartsupply.com/shop/van-gogh-oil-6-color-set/]this other art store[/URL], but again no paint by that name is in Van Gogh’s color chart either. This category only includes cookies that ensures basic functionalities and security features of the website. The method for this production was to mix cadmium salt solutions with alkali and alkaline earth sulphides and, in turn, to heat the resultant precipitate. When mixing red-purple colors like alizarin, quinacridone or pyrol ruby to deepen cad red light, an undesired tint is often the result when white or light colors are added. Default. In 1919 a patent was registered for the production of cadmium orange and cadmium red. In this photo all the orange mixes and tints loose a bit of their pinkish-orange and shift toward yellow. I think it’s the art stores that are mislabeling the product descriptions.There are three classes of people: Those who see. The art supply store is less than a mile away and I have a 40% off coupon this week!The question was whether OH Cad Red Medium Vermilion was a good item to purchase for upgrading from the WN Cad Red, to fit in between the Light and Deep Versions.Well, the good news is that I can confirm to some degree both experiences of wetbob and dollardays!I have frequently used the OH and David Davis versions in my Munsell grid paintings to represent the pure red hue, but may try the Blue Ridge Select on the next occasion, as I am very impressed with its performance.In attempting to demonstrate making a mix if cad red and yellow to come up with a cad orange, I ran into trouble with the mixes losing chroma in each of nine mixes, the slight exception being three mixed with cad yellow deep that actually contains mostly cad orange pigment.I thought since the OH version had “Vermillioned” that it would be the orangy one. I don’t know why yours is going so dull.