Transparent Base is Akua Intaglio Ink without the pigment. It can be used with both Akua Kolor and Akua Intaglio inks. Adding Akua Kolor to Transparent Base will thicken Akua Kolor and create new intaglio or relief colors. Adding Akua Intaglio ink to this base will increase ink transparency. Transparent Base is light amber in color with a thick consistency.