Colors

Every color has their own meaning psycologically and physically. There were colors like red, orange, yellow, green, blue, purple and there were neutral color like brown, black, grey, and white.
Red means bravery, and energetic. Also considered to draw attention so it was mainly used for danger signs.
Orange is a mixture between red and yellow. It does have a barve and enegry but in a lighter way and also has the happy side.
Yellow means enlightment, happiness, joy, and creativity.
Green means balance between cool and warm (blue and yellow), ecofriendly, fresh. But sometimes it could be interprated as sickness and slime.
Blue means calmness and soothing. Sometimes it could be cold and freezing.
Purple means balance, royal and creative.

Neutral colors has less emotions than the colourful. It has more elegance and depth. Black has elegance and darkness. While white is pureness and clear.