Citadel Technical: Contrast Medium Contrast Medium is a specialized colorless medium from the Citadel Technical range. It is designed specifically to mix with Citadel Contrast paints, allowing you to thin them down to create subtle tints and glazes without altering the unique flow properties that make Contrast paints effective. Key Features: Color: Colorless / Clear. Type: Water-based acrylic Technical paint / Medium. Function: Thins Contrast paints to reduce opacity while maintaining their ability to flow into recesses and pull away from edges. Finish: Designed to match the satin/matte finish of the Contrast range. Volume: Supplied in a 24ml pot. This medium is essential for painters who want to control the intensity of their Contrast paints, enabling smoother gradients and lighter shading effects that water dilution cannot achieve.