You don t paint stone counters talk to a granit distributed about staying it a different color.
Change the color of granite countertops.
Use paint rollers designed for shiny surfaces for best results.
If you must cover with something there is a product called granite transformations they install another countertop right over top of your granite with recycled granite or glass many colours to choose from its expensive thought so not really economical that way and its permanent because you have to stick glue or screw it into granite to safety.
It will not adhere and if you do not like the color think about changing the wall color or even the cabinet color to change the look of the granite and compliment it more.
Updating granite countertops using paint.
The photo of the kitchen was to show that the painted counters ended up about the same color as the kitchen quartzite instead of the brown black beige colors they were.
Etc i m saving my pennies to be able to change them to wood look tile.
Food and liquids left to sit too long can stain the granite and change its color especially if the countertops haven t been properly sealed.
However granite is porous.