IS MY MOD LEGAL?

Underglow in Kansas

Conditional

Underglow is legal in Kansas, including while driving, subject to color and flashing limits: Front-visible light must be white or amber with no red from the front, rear red, no flashing, and beams over 300 candlepower aimed within 75 feet.

Verified against primary sources · August 2026

What the law says

Kansas does not ban underglow — it restricts colors and behavior. Front-visible light must be white or amber with no red from the front, rear red, no flashing, and beams over 300 candlepower aimed within 75 feet. A. 8-1751 was repealed in 1984. See also Kansas AG Opinion 2003-6.

Specific Limits

Restrictions
Front-visible light must be white or amber with no red from the front, rear red, no flashing, and beams over 300 candlepower aimed within 75 feet.
While driving
allowed

Exceptions & Exemptions

Underglow lights cannot be red or blue colors as these are reserved for emergency vehicles. Flashing or strobe patterns are prohibited. Lights must not be visible from the front or rear of the vehicle in a way that could be confused with required lighting equipment.

Statute

K.S.A. 8-1729

Read the statute →

Frequently Asked Questions

Are underglow legal in Kansas?
Underglow is legal in Kansas, including while driving, subject to color and flashing limits: Front-visible light must be white or amber with no red from the front, rear red, no flashing, and beams over 300 candlepower aimed within 75 feet.
What are the exact underglow limits in Kansas?
Restrictions: Front-visible light must be white or amber with no red from the front, rear red, no flashing, and beams over 300 candlepower aimed within 75 feet.. While driving: allowed. Source: K.S.A. 8-1729.
Are there exceptions for underglow in Kansas?
Underglow lights cannot be red or blue colors as these are reserved for emergency vehicles. Flashing or strobe patterns are prohibited. Lights must not be visible from the front or rear of the vehicle in a way that could be confused with required lighting equipment.

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