Pacific Blue is a Series 2 opaque color. It has a masstone of a mid warm blue which makes an attractive offset to the cooler blues used mainly in landscape paintings. This color is available in 80ml, 250ml and 500ml sizes.
Blended with Titanium White
Washed with water
The top colour is the standard shade of Pthalo Blue which is the green shade, the second colour which looks very similar in masstone is the red shade of Pthalo Blue and when the two colours are tinted out and shown side by side it is easy to imagine how some artists might want to use both, and others might possibly change their choice of only one Pthalo Blue after seeing this comparison. If we move down from the red shade of Pthalo Blue we have Cobalt Blue which is much redder than the red shade Pthalo Blue when seen side by side, but the less well known shaded colour called Pacific Blue is much redder again to the point of being almost purple rather than blue and of course Ultramarine Blue sits somewhere in between these two. Most landscape artists would cross compare the pale tints of these colours when assessing what they might like to have on their palette for painting skies. The second swatch of four colours shows them diluted for glazing and the differences in the character of the the colour is easy to see. What is not really apparent on a computer screen is that Cobalt Blue has a sort of built in luminosity which is lacking in Cobalt Blue Hue and therefore true Cobalt Blue is sometimes used in an over painting layer over Cobalt Blue Hue.
The next chart shows the same four colours used as thin glazes. When seen applied as a glaze it is easy to see the difference between the two Pthalo pigments while Cobalt Blue which is a semi transparent colour is of course redder, and it does seem to have the ability to enhance the colour if true Cobalt is used thinly on top of Cobalt Blue Hue. The Pacific Blue which is a fairly opaque would not normally find much use as a glaze.
Pthalo Blue Red Shade
Pthalo Blue glaze
Pthalo Blue Red Shade glaze
Cobalt Blue glaze
Pacific Blue glaze
- Chemical Description: Mixed Pigments
- Pigment Type: Inorganic Titanium, Organic Dioxazine Violet, Organic Pthalo Blue Green Shade
- Lightfastness: 2
- Permanency: Excellent
- Pigment Strength: Strong
- Colour Index Name: PW 6, PV 23RS, PB 15.3
- Opacity or Transparency: Opaque
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