Bright or Brightened (bb) - common; recessive gene that brightens any base coat into and intensified color, makes red roans more red, blue roans and blue taffys more blue, cherry chestnut/bay a reder tone. Does not effect mane/tail. Appears only on the base coat, does not effect paint or appaloosa markings; can brighten rib marks and galaxy.
Above -
Brightened Bay
Ee/Aa/bb
Left side showsbthe usual base, the right shows what bright does to the base coat.