Orange dye is used to add orange color to glass, wool, terracotta, concrete powder, banner and shulker box. To make an orange dye to color up different things, you just need Orange Tulip. Please follow the following steps to make an orange dye.
In order to make dye you will have to find and get Orange tulips. And then you can craft a dye by crafting the table.
Go towards the crafting table and open up 3*3 crafting grid. Add an orange tulip at the center cell and you will get an orange dye in the right-side box of the crafting table. Bring this orange dye in your inventory to use later.