Hello Everyone and welcome to the group Bright colors.
There are several ways to get the effect of bright colors.Contrasting colors such as RED and GREEN or BLUE and ORANGE will appear brighter when placed near each other. A color combination such as RED,YELLOW and BLUE will give you the brightness you are looking for.
Warm colors are often considered bright colors. Analog colors which are colors near each other can give a bright effect if the colors are chosen in bright hues. Red, orange and yellow