I am looking for color combinations and effects which give us the feeling of something "psychedelic."
Sometimes there are the color combinations, sometimes the objects relations - some shadows create "double" vision of the object which is always "psychedelic".
A lot of people describe their migraine aura as psychedelic pictures, because it is similar to lightning.
These features are in constant use when we prepare parties announcements and for multiple modern events and of course in music clips.
What are common attributes - colors, designs, and styles associated with psychedelic style?