Dye carpet give your plush a fresh clean stain free reboot with the guidance here.
Can you re dye a dark blue carpet to gray.
But keep in mind it will be permanent so be sure you can commit before you proceed.
For example if you have a blue carpet and you decide to paint it red the resultant color will be purple.
Read the dye packaging carefully to make sure it is safe for use on these materials.
The color you chose to dye your carpet is dependent on the previous color of your carpet.
Choose the right carpet dye for your carpet.
When carpet dying you can only go darker and never lighter so chose your color well.