Grout is very porous, and will stain fairly easily. Anything that can stain can be recolored.
Getting the color deep enough or getting the shade right will be very difficult, but it could be done. Stop by a paint store or a home center & find someone with enough gray hair to know how to match colors without the computer & ask them.
Try whatever remedy you come up with under the fridge or stove & make sure you like what you get.
As for damaging the tile, ceramic & porcelain are basically glass & you can get very aggressive with removing any oops or boo boo's. This will turn into a job you will wish you had never started but you did ask.
Another possibility is to have an installer regrout for you. Lots more money but more permanent results.
if you mean without tanning or false tanning, there is no other way to darken your skin
NO
cuz u grow
See your Doctor
Yes, if you try to darken your hair, the highlights will darken as well, but will appear lighter than the rest of the hair.
try Black Henna powder; available from health food shops.
The noun forms for the verb to darken are darkener and the gerund, darkening.
Some glaucoma medicines will darken the iris color.
You can darken your hair using the Black Ice spray, or the natural remedies such as herbs sage and rosemary.
And She Would Darken the Memory was created on 2007-07-16.
How do you darken or embold text in a scanned PDF document?
lighten