What it is
Color blindness, more accurately called color vision deficiency, means a person sees certain colors differently than most people do. It is often inherited and is more common in men, though anyone can have it. It can also, less often, develop later in life because of other health conditions or certain medications.
The main types are commonly described as protan (red-related), deutan (green-related) and tritan (blue-yellow-related). Severity ranges from mild to more significant, and two people with the same type can experience color very differently. That is why a single list of forbidden jobs does not fit everyone.
Some jobs rely on telling colors apart quickly and accurately, such as reading color-coded wires, signals, lights, charts or warning displays. Where safety or accuracy depends on color, employers or licensing bodies may set a color vision standard. Those standards differ by role and can change over time.
How it’s traditionally been approached
Traditionally, color vision requirements have appeared in fields where color signals carry safety information. People often mention aviation, military service, law enforcement, commercial driving, electrical trades and maritime work as areas where standards may apply.
These requirements are not the same everywhere. One employer or agency may require a specific test, another may accept a different test or allow alternatives, and some may evaluate each person individually. Rules also get updated, so older information found online may no longer be current.
Many people with color vision deficiency work successfully in a wide range of careers, often using strategies such as labeling, organized systems, lighting, digital accessibility settings or help from colleagues. Color-enhancing filter glasses and contact lenses are sometimes discussed too, but they do not cure color blindness or restore normal color vision. How much they help, if at all, varies by a person's specific type (protan, deutan or tritan) and severity, and they may not satisfy a job's testing requirements.
How the right doctor may help
A clinician who performs comprehensive color vision testing may help you learn which type of color vision deficiency you have and how significant it is. Occupational and licensing color vision testing is a related service for people preparing for a particular role. A visit generally includes a conversation about your history and goals, followed by one or more color vision tests, and a discussion of what the results may mean.
Because requirements depend on the job, it can help to bring the specific requirement with you. Ask which tests are used, whether your results are likely to be relevant to the standard you are facing, and whether the clinician can provide documentation if your employer or agency accepts it. The right provider may help you understand your results, but they cannot guarantee how any employer or authority will respond.
Good questions to ask include: What type and severity do my results suggest? Are there everyday strategies that may help? What should I know about color-enhancing glasses or lenses, given they do not cure color blindness? Only a licensed clinician can decide what is appropriate for you after an evaluation, and you should always confirm current requirements directly with the employer, licensing body or agency.
The whole-person view
Career questions can carry real emotional weight. Worry about closed doors, a failed screening or feeling different from peers can affect stress, sleep and confidence, and stress in turn can affect how the body feels. Body, mind and daily circumstances all influence each other, so looking after the whole person matters, not just the test result.
If career uncertainty feels heavy, some people find support helpful. Somatic Experiences offers body-based support for working with stress, and Therapists.plus connects people with talk therapy for processing big decisions and setbacks. These are options to consider alongside, not instead of, guidance from your eye care provider.
Keep in mind
- This page is educational only and is not medical or career advice; requirements for any job vary by employer and authority and change over time.
- Always confirm current color vision requirements with the specific employer, licensing body or agency before making career decisions.
- Color-enhancing glasses or contact lenses do not cure color blindness or restore normal color vision, and results vary by type and severity.
- Licensed professionals should guide any health care decisions. For emergencies call 911; in a crisis call or text 988.
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Frequently asked questions
What are the jobs color blind people cannot do?
There is no single universal list, because it depends on the type and severity of color vision deficiency and on each employer or licensing authority. Roles in areas like aviation, military, law enforcement, commercial driving, electrical trades and maritime work are often mentioned as having color vision standards. Confirm current requirements with the specific employer or agency.
Can a color blind person be a pilot?
It depends on the authority, the type of certificate and the person's test results. Aviation color vision standards vary and can change, and some people with color vision deficiency may have alternative testing options while others may not. Check with the relevant aviation authority and a clinician who does occupational color vision testing.
Can color blind people be electricians?
Often this depends on the licensing body, employer and the work involved, since electrical work can involve color-coded wiring. Requirements differ by location and role. Ask the licensing board or employer what they require, and ask a provider about testing and practical strategies.
Do color blind glasses let you pass a job color vision test?
No one can promise that. Color-enhancing filter glasses and contact lenses do not cure color blindness or restore normal color vision, and their effect varies by type (protan, deutan or tritan) and severity. Employers and agencies set their own testing rules, so ask them directly whether such aids are permitted.
Is color blindness a disability for employment purposes?
That depends on the location, the job and how the law applies to the situation. It is best to ask the employer or a qualified legal or employment professional about your rights and the role's requirements. This page cannot give legal or medical advice.
How can I find out if my color blindness will affect my career choice?
Start by getting comprehensive color vision testing from a licensed clinician so you know your type and severity. Then check the specific requirements for the careers you are considering with the employer, school or licensing body. A provider may help you interpret your results, though they cannot guarantee outcomes.
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.