Colour
Definition 1 of 5
Pro Tip 1/3
Visible Light
Colours are perceived through light; without light, colours can't be seen. In the dark, all cats are the same colour.
Pro Tip 2/3
Cultural Meanings
Colours often have cultural significance, with varying meanings across different societies. In some cultures, white is the colour of mourning.
Pro Tip 3/3
Emotional Associations
Colours can evoke emotions; blue is often associated with calmness, red with passion. She felt serene in the room with soft blue walls.