Uniforms

[MrUmpire]

Considering:

Your shirt's color must always match the color worn by the other crew member(s). Standard Colors: Black with White pinstripe collar and sleeve trim; Light Blue with Black and Light Blue collar and sleeve trim (MLB Blue); Light Blue with Navy & White collar and sleeve trim (H.S. Blue); Navy with Scarlet & White Collar and sleeve trim; Cream with Black pinstripe collar and sleeve trim; White with Navy and Scarlet Collar and sleeve trim.

and,

Your cap's color is to match the color of your uniform shirt.

I wonder where that association finds light blue, cream and white umpire caps.