The background being overdone, I think is okay, it could be made more like a water colourbackground.
过度的背景是，我认为是好的，它可以更象水彩色背景。
2
This is because the aura colour will be changed by the aura of the coloured background or unnatural light.
这是因为气场的颜色会因为气场的背景颜色或非自然光色下发生了变化。
3
The best way to see the correct colour of your aura is in a daylight against a white wall. I know that some people use black background but I did not try this.