What is the meaning of life in seven colors  

the meaning of life in seven colors is differ between China and Europe.
you can know them by Google .
For I can not know them exactly .

i guess WHITE is for purity like to have a pure heart and healthy, BLUE is for peace as you must avoid any war or arguments, RED is for you to keep on moving inspite of all problems and troubles along your way, YELLOW is to be calm sometimes this is the time that your very down and feel sad and alone. GREEN is for cleanliness like you avoid to scattered your own garbage nor you avoid to gossip other people's life. VIOLET is about your health like if your suffering from any illnesses BLACK of course is the end of life like death.

I guess it differs from person to person. Like the rainbow, it has many stripes that signifies variation. Our life varies from one aspect to another. It also changes the mood from happiness to sadness.