Liquitex Professional Acrylic Ink made with finely ground artist quality pigments instead of colorants. They dry quickly, are permanent, water resistant and non-clogging, which makes them ideal for a variety of techniques from watercolour effects to stamping. Colour Name - Iridescent Bright Copper - A deep metallic copper with brown-orange tones. Highly opaque, the color gives an iridescent lustre resembling that of burnished copper metal.