Shachihata Iromoyo DULL Color Ink Pad Large"Iromoyo" is a stamp pad with oil based pigment ink that uses traditional Japanese colors. 5 New colors: Amber : It has a dull reddish yellow color, reminiscent of amber, an ancient natural resin that has fossilized underground. Turmeric : A deep yellow dye with a strong reddish tint, extracted from the roots of the turmeric plant, introduced from India. Also known as turmeric, it is popular as a natural food coloring. Koji Dust: A green blue color