Phthalo Blue Red Shade is part of Tri-Art High Viscosity Professional Acrylic Paint, a heavy body acrylic with a thick, buttery consistency that holds brushstrokes and palette-knife texture. Built with high pigment loading and a fine grind, it stays bold and clean for impasto, scumbling, and confident brushwork.

Pigment profile: Single pigment colour (PB15:1). Bias: Warm. Pigment family: Organic. Transparent handling, excellent for glazing, optical layering, and deep colour mixes. High tinting strength, start with a small amount when mixing. Partial staining, typically easier to adjust than strongly staining colours. Lightfastness rating: 4. Sheen: Gloss.

• Pigments: PB15:1
• Formula: Single
• Opacity: Transparent
• Colour bias: Warm
• Lightfastness: 4
• Sheen: Gloss
• Tinting: High
• Staining: Partial

Pigment notes: Phthalo Blue (Red Shade) is the often neglected sibling of phthalo blue (green shade). Unlike weaker, warm blues like Ultramarine, Phthalo Blue (Red Shade) has the tinting strength necessary to retain brilliant colour when mixed with titanium white, making…

Great for: Illustration, Graphics, Design, Academic (Student), Contemporary-Modern, Glazing.