Officiating FAQs

"Contrast" means "strikingly different." As such, two dark colors (or two light colors)
often do not provide sufficient contrast from one another.

USAV 2020-21 UNIFORM REQUIREMENTS PDF
These apply for 2021-22 Season

2021 USAV Uniform Requirements

PERTINENT UNIFORM RULES

USAV 4.3.3.1:a Uniform numbers must be clearly visible and centered (both horizontally and vertically) on the player's chest and upper back.
USAV 4.3.3.1:b Each jersey must use the same color and number height for all players, except the Libero's jersey, which may have different color and size numbers, provided it still meets the minimum criteria stated in USAV 4.3.3.2.
USAV 4.3.3.1:c Color combinations including but not limited to purple/black, dark green/black, navy/black, white/light yellow or navy/maroon are not distinctive enough to comply with the rules.
USAV 4.3.3.1:d The color of the number must clearly contrast with the color of the jersey irrespective of any border around the number.
4.3.3.2: The stripe forming the numbers shall be a minimum of 2 cm (3/4") in width.
USAV 4.3.3.2: The numbers must be a minimum of 10 cm (4") in height on the chest and a minimum of 15 cm (6") in height on the back. It is recommended that the numbers be a minimum of 15 cm (6") in height on the chest and a minimum of 20 cm (8") on the back.
USAV 19.2:a The Libero must wear a jersey that clearly contrasts with the jersey of their teammates.

OFFICIATING TECHNIQUES, POINTS OF EMPHASIS & MATCH PROCEDURES

6. The Libero:b The Libero's jersey or jacket must clearly contrast in color to the color of the jersey worn by other members of the team. (Please note USAV 19.2a.) The Libero jerseys do not have to match, but they must both be contrasting from the other members of the team.
"Contrast" means "strikingly different." As such, two dark colors (or two light colors)
often do not provide sufficient contrast from one another.