It also says signs and stickers on windows and doors can make store fronts less attractive and should be avoided.

Hand-painted wood signs are encouraged and paint color suggestions are also offered.

“‘Bright white’ did not exist until the mid-20th century, so off-white, cream and stone are more traditional colors,” the release said.

The guide adds that as well as making the area more attractive and cohesive, there could be additional benefits for people with disabilities or health conditions.

He said cluttered, poorly designed spaces and fluorescent lighting could cause overstimulation in autistic people, and clear signage could benefit people with visual impairments.