How to dye amethyst aegis?

hi
i want to dye my amethyst aegis on light blue, but i dont know how...
i have tried different dye mixes, but havent got any luck.
plz if you know the dye mix, tell me.

http://images2.wikia.nocookie.net/gw..._dye_chart.jpg

Theres a dye chart for you, it doesn't affect it a great deal, and imo, i preffere it undyed.

purple looks the closest to blue ish heh.

I think he's talking about there is a mix of dye that can turn the ammy aegis a light blue without a pink tint.