Colourchange, a division of LCR Hallcrest UK, is a world leader in the Design, Development and Manufacture of Thermochromic, Liquid Crystal, Photochromic and Hydrochromic Inks, Plastics and finished products – all of which Change Colour when Exposed to Temperature, UV Light or Water.  Our company primarily services the effects and promotional markets working with our customers directly to create the desired product. We offer an extensive range of standard products in conjunction with a full custom manufacturing service where needed.