PremiumCraft Candle Dye Pigment Chips - Sky Blue (Pack of 10) (for Black Light) Pigment candle dye chips glow under black light. Each pigment candle dye chip colors one pound of candle wax. Each pack includes 10 chips of the following color: Sky Blue. Can be combined with other UV pigments to produce a variety of colors. Made in USA. For best results recommended for use only under black light.