There isn’t a fixed number of colors in the world. The human eye can distinguish millions of color variations based on light and perception, explained by the Visible Spectrum in Color Theory.
Common meanings often associated with colors include:
Red – passion, energy, danger
Blue – calm, trust, stability
Green – growth, nature, balance
Yellow – happiness, optimism
Black – power, mystery, elegance
White – purity, peace, simplicity
However, meanings can vary across cultures and contexts.