A New Way to make dye

An Item That allows You to make dye using basic resources (Like stone Sandstone , brick blocks,etc) It Could be Made with 5 Cobblestone, A furnace and a cauldron. So you fuel the furnace , put the item in the furnace and it will be turned into 3 dye per block used. It is compatible with red, yellow,blue,white and black blocks, to get the other dyes you combine the different colored blocks together.