Minecraft wiki entry for Pink_Dye, associated text: Applied to sheep to dye their wool, which can then be sheared for 1–3 blocks of pink wool.
Applied to tamed wolves to dye their collars.
Applied to tamed cats to dye their collars.
Used to dye or stain wool, leather armor, beds, glass, terracotta and shulker boxes.
Combined with gunpowder to make a firework star.
Combined with a firework star to create a fade-to-color effect.
Used to add patterns to banners.
Used to dye shulkers in Bedrock and Education editions.
Used to dye water contained in cauldrons in Bedrock and Education editions.
Combined with sand and gravel to craft concrete powder.
Combined with compounds to craft balloons or glow sticks in Bedrock and Education editions.