Hi, I have naturally asian blackish hair. I have this weird urge to dye my hair blue (not sure what shade yet) but my hair might be a bit too dark for any real blue to show up. So how could I lighten it WITHOUT BLEACH. I absolutely love my hair. I refuse to use bleach.

Also, I have a natural blue tint in my hair in sunlight. Whenever I take selfies(yes, I'm cool) outside in the sun, my hair looks really blue in the picture (sometimes more than others). Would dyeing or lightening (or both?) get rid of this bluey tint? 'cause I really like having my hair turn naturally blue in sunlight. So would it go away if I dye/lighten my hair?

I've been thinking and deciding about dyeing my hair for months now, and I'd really like to try it out this summer (in case it turns out bad so nobody at school will see it). Thanks so much, please help!