Dame Judi Dench
Hair color: Ashen silver
Why it works: Dench’s hair color has bits pale blonde woven in with her shiny silver strands, making her hue look very natural.
Kelly Van Gogh, founder of Kelly Van Gogh Hair Color, suggests mixing a bit of dye similar to your pre-gray color to attain a normal-looking hue.
The science: Read about it in Gray Hair Color for Your Skintone.