What it is
Color vision requirements for truck drivers are part of the broader vision standards some authorities and employers use for commercial driving. The idea is that a driver should be able to tell the colors that matter on the road, such as red, yellow and green signals, brake lights and warning indicators.
Color blindness, also called color vision deficiency, means a person sees certain colors differently than most people. It is often described by type: protan (red-related), deutan (green-related) or tritan (blue-related), and by severity from mild to more significant. It is more common in men, and many people have it from birth.
Having a color vision deficiency does not automatically mean a person cannot drive or work in trucking. How a requirement applies depends on the specific rule, the type of license and the employer, so the details matter.
How it’s traditionally been approached
Traditionally, color vision has been checked as part of a vision or medical screening. Commonly used tools include pattern-based plates and arrangement tests, and some settings use lantern-style or other practical color-recognition tests.
Different authorities have taken different approaches. Some focus on whether a driver can recognize traffic signals, while others use broader screening or leave decisions to the employer. Standards can also be updated, so what applied in the past may not apply now.
Color-enhancing filter glasses and contact lenses are sometimes mentioned in this conversation. They do not cure color blindness and do not restore normal color vision, and how they affect a person varies by type (protan, deutan or tritan) and severity. Whether they are acceptable for any test or job is decided by the testing body or employer, not by this site.
How the right doctor may help
The right doctor, such as an eye care professional experienced in color vision testing, may help you understand what type of color vision difference you have and how significant it is. A visit generally involves a conversation about your history and the job or license you are pursuing, followed by one or more color vision tests.
Some providers offer occupational or licensing-focused testing, while others offer comprehensive color vision testing. Depending on the situation, a provider may be able to explain your results in plain language and what they may mean for the requirement you are facing. They cannot promise a particular outcome with an employer or licensing authority.
Helpful questions to ask: Which type of color vision difference do my results suggest? Which tests were used, and are they the ones my licensing body or employer accepts? Who should I contact to confirm current requirements? Is there any appeal, retest or alternative process? Do you advise anything regarding color-enhancing glasses, and are they allowed for this purpose?
The whole-person view
Receiving news about your vision when your livelihood is involved can be stressful, and stress can affect sleep, mood and how the body feels. Body, mind and stress influence each other, so it is reasonable to care for the whole person while you sort out the practical steps.
If worry about work or finances feels heavy, body-based support such as Somatic Experiences may help some people feel more settled, and talk therapy through Therapists.plus may offer a place to work through uncertainty. These are options to explore at your own pace, alongside guidance from your licensed providers.
Keep in mind
- Requirements vary by employer, licensing body and agency and change over time, so confirm current rules directly with the specific authority or employer rather than relying on this page.
- Color-enhancing filter glasses and contact lenses do not cure color blindness or restore normal color vision, and effects vary by type and severity.
- Only a licensed clinician can evaluate your vision and decide what is appropriate for you; this page is educational only and not medical advice.
- For emergencies call 911; if you are in emotional crisis, call or text 988.
Not sure where to start? Answer a few gentle questions and choose who you’d like to hear from.
Frequently asked questions
What are the color vision requirements for truck drivers?
Color vision requirements for truck drivers vary by country, license type and employer, and they can change over time. Many focus on whether a driver can recognize traffic signals and similar colors. Confirm current requirements with your licensing authority or the employer you are applying to.
Can you be a truck driver if you are color blind?
Sometimes, but it depends on the specific rules that apply to you. Having a color vision deficiency does not automatically rule out driving, though some employers or authorities may have their own standards. Ask the relevant agency or employer what applies to your situation.
How is color vision tested for a truck driving job?
Testing is typically done as part of a vision or medical screening and may use pattern-based plates, arrangement tests or practical color-recognition tests. Which test is used can depend on the authority or employer. A provider experienced in occupational or licensing color vision testing may be able to explain the options.
Do color blind glasses help you pass a truck driver color vision test?
Color blind glasses, meaning color-enhancing filter glasses, do not cure color blindness or restore normal color vision, and their effect varies by type and severity. Whether they are allowed during any test is decided by the testing body or employer. Ask them directly before relying on them.
Who decides if my color vision is acceptable for commercial driving?
The licensing authority or employer that sets the requirement makes that decision, often using results from a qualified examiner. A doctor can test and explain your color vision but cannot guarantee how an authority will respond. Always confirm with the specific agency or employer.
What kind of doctor can test color vision for a driving license?
An eye care professional, such as an optometrist or ophthalmologist, commonly performs color vision testing. Some offer occupational or comprehensive color vision testing focused on work and licensing needs. Providers.plus lists licensed providers you can explore.
Educational resource. Colorblind Glasses shares general information and connects people with independent doctors. It is not medical advice, diagnosis or treatment. Talk with a licensed professional about your health.