![]() Until now, I have avoided Phathlo blue because it is a strong pigment that is highly staining, and that attribute can be a bit difficult in the hands of a sloppy painter in the field. * If you're a bit confused by what these letters and numbers mean, this post explains things. So let's compare Phthalo blue red shade to Phthalo blue green shade, see how they perform, and look at some common mixes. I wanted to try Phthalo RS because it is is often touted as a good, non-granulating option for Ultramarine, but I also wanted to give Phthalo GS a go.īruce at Handprint gives good info on the various properties of the major brands of Phthalo blue watercolors, but I already had Daniel Smith RS (PB 15) and Sennelier (which doesn't specify but it's PB15:3) on hand. The pigment numbers* can also help you distinguish between the two. PB15:1 and PB15:6 are middle blue or reddish shades PB15:3 is the greenish shade. Often you'll find them labeled Phthalo Blue Red Shade (RS) or Phthalo Blue Green Shade (GS). Great question! Phthalo blue (aka Thalo blue) is an abbreviated name for paints made with the pigment Phthalocyanine Blue, or PB15. This blue is a longstanding favorite of many watercolor painters and seems to be an extremely popular choice for a watercolor palette.Įach watercolor manufacturer often produces multiple Phthalo blue colors, and these are commonly divided by whether they have a green or a red undertone. Work of T.After I wrote the post comparing Ultramarine to Cobalt, I've had several people ask, "What about Phthalo blue?" Today the pigment is synthetic (sodium aluminosilicate thiosulfate) Obtained initially from lapis lazuli, it was a precious colour. Its RAL reference is RAL 5002 Ultramarine Blue You will find the Ultramarine Blue or Ultramarine Blue 1 in the Colour Index under the code PB29. It allows a very high resistance to sun, UVs, bad weather. Our Overseas Blue paint is extremely resistant outdoors. Warning : the proposed Blue is a blue opaque semi satin, the more we shall apply of layer, the more the blue will be deep and darkened, thus it is important to apply layers in a homogeneous way. Respect 5/10 minutes between every layer. Apply 2 to 4 layers according to the intensity of the sought blue. Produitprêt in the employment, the good to move/shake before use. Mode of application: on paint or white primer necessarily, application in the pistol or in the brush. Water based single component satin acrylic version (VOC <40g/L) ![]() Warning : the proposed Blue is a transparent matt blue, the more we shall apply of layer, the more the blue will be deep and darkened, thus it is important to apply layers in a homogeneous way. Apply 3 to 5 layers according to the intensity of the sought blue. Realize the mixture in weight (100 parts of blue base/15 parts of hardener and 5 to 15 parts of thinner (optional if we paint in the brush). Mode of application: on paint or white primer necessarily, application in the pistol. Kit 1.4L includes 1L of ULTRAMARINE BLUE base + 150ml of Hardener H423 + 250ml of Thinner Polyurethane two-component (VOC> 420g/L) Our ULTRAMARINE BLUE 7 has a deep blue colour, with a matte finish, which seems to absorb light, while emitting a powerful magnetic radiation giving a "matte depth” effect.
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