The dyes are strong enough to show up vividly on egg shells when used to make pysanka. Eggs dyes with these dyes must not be eaten. These are water soluble, and distilled water is best when making them. Once they are made into liquid, these dyes can last for two years in a tightly closed wide-mouth jar. Choose from these many brilliant colors: Yellow, Orange, Scarlet (a type of red). Light Blue, Light Green, Black, Gold (a stronger form of yellow), Turquoise, Red, Dark Red, Brown, Brick, Dark Green, Pink, Purple, Royal Blue, and Pumpkin.