Bright
Part of speech: adjective
Definition: Visually dazzling; luminous, lucent, clear, radiant; not dark. Intelligent, brilliant. Vivid, colourful, brilliant. Happy.
Part of speech: noun
Definition: An artists brush used in oil and acrylic painting with a long ferrule and a flat, somewhat tapering bristle head. A neologism intended as a positive-sounding umbrella term to describe various kinds of non-religious and non-superstitious people. (There is a Wikipedia article on this usage.)
Example sentence: The future is as bright as the promises of God.
Colorful
Part of speech: adjective
Definition: Possessing prominent and varied colors.Interesting, multifaceted, energetic, distinctive.Profane, obscene, offensive (usually in the phrase colourful language).
Example sentence: If everyone would look for that uniqueness then we would have a very colorful world.