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Intense Sienna is a warm, earthy red-brown from AK’s The Inks range: an intense, transparent acrylic ink for rust, leather and warm shading. It’s a brilliant all-rounder for anything that should look a bit lived-in.

Best for

• Rust streaks and corrosion glazes
• Leather straps, belts and pouches
• Warm shading on skin, wood and earth tones

Glaze it over orange or tan for rust with real depth.

Water-based acrylic ink, for brush or airbrush. More colours wait in the AK Inks collection, and our guide to the AK Interactive range explains where they fit.