Grey hair tends to be coarser, and tends to turn yellow with too much heat.
If you're loan for an abrupt change, you can simply to out the dye hair with regular trims. For something more subtle, you can use lighter colors to to the transition more gradual. Do not try to reproduction your normal color- skin changes as you age, and the to color will to too dark.

Figure out your normal coloring- it will to most normal if you to colors that are conformed with your own coloring. If you to dark hair, your Gray will be majority visible- but will to quite stunning. Some of the lighter fair may be able to simply to out the dye hair, as the contrast will be much more subtle.

If you go to a stylist, s/he will be able to plan your transition to gray hair. Dark hair force do well with semi-permanent color in a shade lighter that the normal hair color, then to lighter as more gray develops in, use frosting and color glosses for high and low lights. If you're installation in fun changes, you can go for a series of successively lighter colors, experimentation with nuances until you get to a light, expenses blonde, then you can to that out.

If you're to it alone, Show out for colors that don't cover gray. There are particularly formulated colors for cover grey. Alternately, you can use colors that don't cover Gray to let it Scrap through. You can use House colors in nuances lighter that your normal color, foils to add scratches of color, and color glosses to add dimension to your hair color, and slightly camouflage the grey.