When did girl's softball start using a yellow ball?

Answer 1

1972 - Wording of the Rule - Colour of ball amended Specifications for forward and return deformation widened

3. The ball shall have a uniform outer surface and shall be white or yellow in colour.…

Answer 2

In 2002, high-visibility yellow "optic" covering, long-used for restricted flight balls in co-ed recreational leagues, became standard for competitive play. Yellow is the color of official NCAA and NAIA softballs. Yellow softballs are fast becoming the standard for all levels of play for girls' and women's play in particular. White balls are also allowed, but are much more common in slow pitch than in fast pitch

Answer 3

the softballs are pitched from a shorter distance than Baseball therefore harder to see. the bright yellow color improves the visibility of the ball.

Answer 4

in Chicago on Thanksgiving Day, 1887

Answer 5

1972 for colour television