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Do I have brown hazel or amber eyes?

Do I have brown hazel or amber eyes?

Eye color is one of the most distinctive physical features of humans. The color of our eyes results from the amount and type of pigment in the iris. The iris is the colored part of the eye that controls the size of the pupil to regulate the amount of light entering the eye. While it was once thought that eye color was determined solely by genetics, we now know that there are multiple factors that influence eye color including age, environment, and genetics. Understanding the factors that determine eye color can help answer the question of whether your eye color is best described as brown, hazel, or amber.

The Genetics of Eye Color

Genetics plays a major role in determining eye color. The main gene responsible for eye color is the OCA2 gene which is located on chromosome 15. This gene produces a protein called P protein that is involved in the production and storage of melanin pigments in the iris. Melanin comes in two forms:

– Eumelanin: A brown/black pigment

– Pheomelanin: A red/yellow pigment

The amount and ratio of eumelanin and pheomelanin present in the iris determines eye color. Brown eyes have a large amount of eumelanin while blue eyes have very little of either pigment. Hazel and amber eyes have an intermediate amount of melanin.

In addition to OCA2, there are many other genes that can influence eye color by altering pigment production and distribution. This makes eye color a polygenic trait with complex genetic influences. Since multiple genes are involved, family members can have very different eye colors.

How Age Impacts Eye Color

Eye color is not always constant throughout life. Eye color can appear to change with age due to factors like:

Decrease in melanin pigment: The melanin content in the iris decreases over time leading to gradual lightening of eye color.

Buildup of pigment clumps: Granules of melanin can accumulate in the iris as we age leading to patchy coloration.

Changes in reflectivity: The iris can lose transparency making the eye appear darker or lighter.

Changes in vascularization: Blood vessels in front of the iris can become more visible giving eyes a darker tint.

These age-related factors mean many individuals are born with light blue/gray eyes that darken to green/brown later in childhood. Eye color can also lighten somewhat in elderly individuals. Since melanin content decreases with age, this process can shift hazel eyes towards a lighter amber/brown color over one’s lifetime.

Environmental Influences on Eye Color

While genetics are the main determinant of eye color, some environmental factors can also have subtle influences:

Sun exposure: Prolonged sun exposure stimulates melanin production and can make eyes appear darker.

Medications: Certain medications like chloroquine and hormone treatments may gradually darken the iris.

Injuries: Trauma to the eye can disrupt the iris leading to segmental color change.

Diseases: Some conditions affect melanin synthesis and lead to color abnormalities.

However, these impacts are quite minor and a person’s genetics remain the key factor dictating eye color. Environment only produces slight temporary fluctuations rather than dramatically altering an individual’s natural eye shade.

What Does it Mean to Have Brown, Hazel, or Amber Eyes?

With all these factors affecting eye color, how can you determine whether your eye color is definitively brown, hazel, or amber? Here are some key features of each eye shade:

Brown Eyes

– Very high levels of melanin, especially eumelanin

– Solid, uniform dark brown color throughout iris

– Minimal variation or pattern visible upon close inspection

Hazel Eyes

– Moderate levels of melanin

– Distinct combination of brown and green, gold, or orange tones

– Fluctuating pattern of color visible across iris

– Very light brown shades are often classified as hazel

Amber Eyes

– Low to moderate melanin content

– Yellow/gold color with little brown pigment

– Distinct honey-brown or golden ring around the pupil

– Light orange and yellow speckles/streaks throughout iris

So in summary:

– Brown eyes have a consistently dark brown hue from high melanin levels

– Hazel eyes feature a blend of shades and a visible multi-tone pattern

– Amber eyes contain minimal brown and are dominated by golden/orange melanin

This makes hazel the intermediary between brown and amber. But keep in mind that eye color exists on a continuous spectrum without discrete categories.

How to Determine Your True Eye Color

The best way to determine your personal eye color is to examine your eyes under controlled conditions. Follow these steps:

1. Look in a mirror under natural daylight conditions. Avoid shadows over your eyes.

2. Have a friend or relative observe your eyes up close to get an objective second opinion.

3. Use macro lens photography and zoom in to see details in your iris pattern.

4. Compare to eye color charts to match your shade. This can account for subtle hues and variations.

5. Repeat under different lighting conditions. Eye color can appear different under incandescent vs fluorescent lighting.

6. Consider how your eyes have changed over time. Childhood photos can indicate if your eyes have darkened or lightened.

7. See an ophthalmologist if you notice major unilateral color changes that may indicate disease or injury.

Determining your true eye color can require some detailed investigation. Subtle factors like small flecks and rings of color can make the difference between brown, hazel, and amber eyes. Being thorough allows you to definitively classify your eye shade.


In summary, eye color is a complex trait influenced by age, genetics, and environment. While brown eyes have high melanin levels and amber eyes low amounts, hazel eyes demonstrate an intermediate blend of melanin pigments. Examining your eyes under varied conditions and accounting for any age-related changes can help you accurately determine whether your eye color is best described as brown, hazel, or amber. Subtle factors like ray patterns, flecks, rings, and onset changes can shift an eye color into an adjacent shade category. With some diligent inspection and investigation, you can definitively classify your eye shade and gain insight into what gives your eyes their distinctive appearance.

Eye Color Key Features
Brown Uniformly dark brown, high melanin levels
Hazel Mix of brown, green, gold. Visible pattern.
Amber Minimal brown, dominated by golden/orange hues