If I mix colors, will it look better?

Dark colors look better on the tip. It's nice to have the glitter or the darker color fading from the end of your nail towards your cuticle.

It depends on the coloring medium you are using. For some, like colored pencil and shading pencils, you can rub on the pigment and make them blend together. For mediums...

Try wearing dark, muted colors that don't reflect a lot of light to look slimmer in your midsection.

Yes, you can. But it probably won't get that much brighter. Try it out! I would recommend you mix two different colors for luster.

You can use any color. I think black makes the most sense for the fabric because space is black, but feel free to be creative!

You could use the combination of a tincture lemon yellow and light green color. Adding a little white to the mix helps in enhancing the color.

Yes, the clearcoat comes last to protect everything underneath. Spray everything on before the clearcoat.

Avoid wearing a t-shirt or something too casual for a top. A button-down top or a polo shirt might be good. Also, try to stick to more classic styles: nothing...