do you have any studies or evidence that violet is helpful someone asked me and I couldn't find any info. If it as energetically intense as blue it should like uv being bad?
This site has a good introduction about light and its attributes in relation to living beings.
Color Light Therapy for Health and Healing
A big part of the issue is we have all had a over-abundance of blue light in our lives from the time we are young, all public schools and most work places use Fluorescent lighting, this type of light peaks in the blue spectrums along with having other dangerous health effects.
Compact fluorescents CFL are the very worst of lighting created by humans, besides the unnatural peaks in the blue wavelengths they leak mercury also ultraviolet light, along with a brain desynchronizing flicker, its all ads up to health problems and is probably the cause of a lot of physical and mental health issues for people. So avoid compact fluorescent lights CFLs.
LED technology has come a long way and is so much better then Fluorescent lights, they now make long LED light tubes to replace fluorescent lights and many intelligent school districts and principals are having the schools change over to using LED lights now.
Fortunately at home we can make our own choices for lighting.