If your roots turn out orange and the rest of your hair is the right shade, you can correct this with a demi-permanent color. Demis don't lift, so they won't get "hot" at the root. Use an ash color with a blue base to cover the orange.
Use a blue shampoo, which is designed to remove orange tones. Joico Color Balance Blue Shampoo is one example of a quality blue shampoo that you can look for.
PowerPoint isn't a good tool to use if you really want a professional-looking cover. If you're doing it yourself, you need a real image manipulation program (Gimp is free) and...
If your hair is severely damaged, it will not be possible to get a color that requires pre-lightening, such as pink, without risking severe damage and breakage.
Leather is porous and will tend to absorb whatever quantity of wax is applied. Try wrapping 2 layers of clean white newsprint and ironing the surface. You need to have...
If you're looking for a temporary change, there are temporary dyes available, as well as chalk dyes that will only stay on for a couple of days (or until you...