I have naturally light brown, mousy hair. I used Clairol permanent color on it, Blondest Gold (gold base) with 30 volume developer, and its too yellow for me... the gold washes me out. How can I darken it, still maintaining blond... which base/developer to use? Thank you.

If you don't want to go to a salon, just go to a beauty supply shop and they should be able to show you toners and glazes that can tone your hair down.