My Palms Are Turning Yellow: Why and When to Worry

Yellow palms are almost always caused by a harmless buildup of carotenoid pigments from food, a condition doctors call carotenoderma or carotenemia. The telltale clue is that the whites of your eyes stay perfectly white. If they also look yellow, the cause is likely jaundice, which signals a different and potentially serious problem. But the story doesn’t end at “eat fewer carrots,” because several medical conditions can push carotenoid levels high enough to stain your skin even when your diet seems normal.

Why Palms Are the First Place You Notice It

Carotenoids are fat-soluble pigments that dissolve easily into skin’s outer layer, the stratum corneum. That layer is thickest on the palms and soles, which is why yellow discoloration tends to show up there before anywhere else. The nasolabial folds (the creases running from your nose to the corners of your mouth) are another early site, likely because sebum, an oily secretion rich in lipids, concentrates in those creases and carries carotenoids along with it. A case report of lycopenemia confirmed that carotenoid deposition is especially pronounced in the stratum corneum and follows this same palm-sole-nasolabial pattern regardless of which specific carotenoid is responsible.¹

Research using digital photography to track skin color change after carotenoid supplementation found that palm coloration increased significantly within two weeks and continued rising over the following month.² So if you suddenly notice your palms look different, think about what you’ve been eating consistently for the past few weeks, not just yesterday.

The Dietary Explanation

The classic culprit is carrots, but any food rich in carotenoids can do it. Sweet potatoes, squash, pumpkin, mangoes, papayas, and even some green vegetables like spinach and kale contain high levels of these pigments. One clinical case of carotenemia was traced to excessive intake of papaya and mango, not a vegetable in sight.³ A case published in The American Journal of Medicine described a woman whose palms turned yellow after drinking roughly a liter of vegetable juice daily for several months. Her liver tests and bilirubin were completely normal, and the diagnosis was made purely from the palm distribution, clear sclera, and dietary history.⁴

A crossover trial in young women showed that eating a diet high in carotenoid-rich fruits and vegetables increased measurable skin yellowness on both sun-exposed and sun-protected body areas. The change correlated directly with rising plasma levels of alpha-carotene and beta-carotene.⁵ Crucially, skin redness and lightness didn’t change, only yellowness. That’s a useful point: if your palms are both yellow and red or inflamed, something else is going on.

One reassuring fact about dietary carotenemia is that it does not lead to vitamin A toxicity. The body converts carotene to vitamin A slowly enough that even massive carotene intake doesn’t produce dangerous vitamin A levels.⁶ The condition resolves on its own once intake drops, though it can take several weeks for the color to fully fade because the pigment clears slowly from the skin.

It’s Not Just Carrots: Lycopene and Other Pigments

Beta-carotene gets most of the attention, but lycopene, the carotenoid that makes tomatoes and watermelon red, can also cause carotenoderma. A documented case involved someone eating large quantities of lycopene-rich foods, and the resulting skin discoloration followed the exact same pattern as beta-carotene cases: palms, soles, and nasolabial folds.¹ This is worth knowing because someone drinking a lot of tomato juice or eating tomato-heavy meals might not connect their diet to yellow palms since they associate the condition strictly with orange vegetables.

When Your Body Can’t Process Carotenoids Properly

Here is where the benign story gets more complicated. Normally, carotenoids are converted into vitamin A in the small intestine. Several medical conditions slow that conversion, which means carotenoid pigments accumulate in the blood and skin even without an unusual diet. The three big ones are hypothyroidism, diabetes, and liver disease.⁷

A case report in an endocrinology journal described a diabetic patient whose palms were distinctly yellow despite not eating any carotenoid-rich foods. His blood sugar was poorly controlled, and once it was brought under management, the skin discoloration improved.⁸ That case is a good reminder: if you haven’t been loading up on sweet potatoes and your palms are still turning yellow, a metabolic or endocrine condition might be driving the pigment buildup.

Hypothyroidism deserves special mention because it can contribute to yellow skin through a second, overlapping mechanism. Low thyroid function reduces the metabolic rate, which slows carotene-to-vitamin-A conversion. A clinical case documented a woman with known hypothyroidism whose yellow palms reflected an additive effect: both her thyroid condition and her diet were pushing carotenoid levels up simultaneously.⁷ For someone with a thyroid condition, even moderate carotenoid intake might produce visible skin changes that wouldn’t occur in a person with normal thyroid function.

The Jaundice Question and How Doctors Tell the Difference

The single most important clinical clue is the sclera, the white part of the eye. In jaundice, bilirubin deposits throughout the body, and the sclera turns noticeably yellow. In carotenoderma, the sclera stays white. This distinction is emphasized repeatedly in clinical literature because the two conditions can look similar on the hands and feet but have vastly different implications.³

If there’s any doubt, basic blood work settles it quickly. Serum bilirubin will be elevated in jaundice and normal in carotenoderma. Liver function tests will usually look abnormal in the kinds of liver problems that produce jaundice. In the vegetable-juice case from The American Journal of Medicine, the clinician ordered these exact tests, confirmed everything was normal, and made the diagnosis of carotenoderma without needing any further workup.⁴ The practical takeaway: check a mirror. If your eyes look white, you can breathe easier while you sort out whether it’s diet or a metabolic issue.

Yellow Palms in Babies and Young Children

Parents frequently notice yellow-tinged palms in infants and toddlers, and the alarm bells go off immediately because newborn jaundice is such a well-known concern. Carotenoderma is actually most commonly seen in infants and young children, often because they’re being introduced to pureed carrots, squash, and sweet potatoes in large quantities relative to their small body size.⁹ The sclera check works just as well in babies: if the eyes are clear, dietary carotenoderma is the overwhelming favorite explanation.

That said, newborn jaundice is a genuine and sometimes urgent concern in the first few days of life, so the sclera distinction matters more for older infants who’ve moved on to solid foods. If a very young newborn appears yellow anywhere, that warrants prompt medical evaluation regardless of whether the palms look particularly affected.

The Anorexia Nervosa Connection

This is one of the less intuitive causes and one that clinicians watch for. People with anorexia nervosa frequently develop elevated blood carotenoid levels and visible yellowing of the skin, which seems paradoxical given that they’re eating less, not more. Several mechanisms appear to overlap. Severely restricted calorie intake can alter how the body metabolizes and stores fat-soluble pigments. Additionally, some people with eating disorders restrict their diet to a narrow set of “safe” foods that happen to be carotenoid-rich, such as raw vegetables.

A clinical study found that beta-carotene levels in people with anorexia nervosa were strongly and inversely correlated with body fat: the less fat someone carried, the higher their beta-carotene tended to be. This relationship was much stronger in the anorexia group than in the broader study population.¹⁰ The likely explanation is that carotenoids normally distribute into fat tissue, so when fat stores shrink dramatically, the pigments circulate in the blood instead and end up deposited in the skin. For clinicians, visible carotenemia in a person who isn’t obviously eating a high-carotene diet can be a subtle signal of disordered eating.

Yellowish Patches That Aren’t Carotenoids at All

Not every yellow discoloration on the palms comes from pigment in the diet. Palmar xanthomas are yellowish deposits of cholesterol and lipids that form in the palm creases. They look like waxy, slightly raised yellowish streaks running along the natural lines of the hand, which is distinct from the diffuse, even tinting of carotenoderma. In a study of over 2,000 patients evaluated at a lipid clinic, about 2% had a condition called familial dysbetalipoproteinemia, and roughly one in five of those patients developed these palmar crease xanthomas alongside severely elevated cholesterol and triglyceride levels.¹¹

These xanthomas matter because they can point to a serious underlying lipid disorder. One case involved a young man in his twenties with both palmar crease xanthomas and extremely high cholesterol, who was only properly diagnosed after a biopsy of his palm lesions.¹² If the yellow on your palms is concentrated in the creases and feels slightly thickened or raised rather than just being a diffuse color change, that’s a reason to get lipid levels checked.

Chemical and Occupational Exposure

Certain industrial chemicals can stain the skin yellow from the outside in, and the palms, being a contact surface, can be first affected. A study of workers in a molded plastics operation found that a component chemical called 4,4′-methylenedianiline (MDA) caused intense yellow staining of skin, nails, and hair. Nearly two-thirds of the workers directly handling the chemical showed varying degrees of staining, while workers in other parts of the factory showed none.¹³ MDA is a known hepatotoxin beyond its cosmetic effects, so the yellow staining in that case was both a surface issue and a warning of chemical overexposure.

Outside of occupational settings, turmeric (curcumin) is one of the more common household substances that can temporarily stain palms yellow. Self-tanning products containing dihydroxyacetone (DHA) can also concentrate in the thicker skin of the palms. These are cosmetic staining rather than systemic, and they wash off or wear away, unlike carotenoderma, which has to clear from inside the skin.

Kidney Disease and Skin Color Changes

People with chronic kidney disease often develop changes in skin color that can include a yellowish tinge. The mechanisms are different from simple carotenemia: urochrome pigments, which the kidneys normally excrete, accumulate in the skin as kidney function declines. A review of cutaneous changes across different stages of chronic kidney disease documented that skin manifestations appear early in renal impairment and evolve through dialysis and beyond.¹⁴ The yellowing from kidney disease tends to be more generalized and accompanied by other skin symptoms like dryness and itching, making it distinguishable from the palm-specific pattern of carotenoderma. Still, yellow palms in someone with known kidney problems should be brought to their nephrologist’s attention, not dismissed as a dietary quirk.

Thickened Skin and Calluses

Heavy manual labor, frequent weightlifting, or any repetitive friction against the palms can thicken the stratum corneum and produce calluses that appear yellowish. This is simply a physical effect of keratin buildup rather than pigment deposition. Acquired palmoplantar keratoderma is the clinical term for abnormal thickening of palm and sole skin from non-inherited causes, and it covers everything from occupational calluses to thickening associated with internal conditions.¹⁵ The texture and distribution are usually the giveaway: callused yellowness is patchy and rough, concentrated where pressure occurs, while carotenoid-related yellowness is smooth and evenly distributed across the whole palm.

Genetics and Individual Variation

Some people turn yellow from modest amounts of carotenoid-rich food while others eat enormous quantities and barely change color. Genetics play a real role here. Research using deep gene sequencing identified a region near the BCO1 gene that affects plasma beta-carotene levels. BCO1 encodes the enzyme primarily responsible for converting beta-carotene into vitamin A, and common variants in this gene region are associated with measurably different blood carotenoid concentrations across people.¹⁶ If you’ve always seemed to turn orange more easily than your friends on the same diet, your BCO1 variant may be converting carotenoids less efficiently, leaving more pigment free to deposit in your skin.

When Yellow Palms Mean You Should See a Doctor

Most people with yellow palms can trace the cause to their diet and need nothing more than a slight reduction in carotenoid-rich foods if the color bothers them. But certain patterns deserve medical attention:

Yellow sclera: If the whites of your eyes look yellow too, this suggests jaundice from elevated bilirubin, not carotenemia. That warrants same-day evaluation because it can indicate liver or gallbladder problems.
No dietary explanation: If you aren’t eating or drinking anything particularly rich in carotenoids and haven’t been exposed to staining chemicals, your body may not be metabolizing carotenoids normally. Hypothyroidism and diabetes are the most common medical drivers.
Raised or waxy patches: Yellowish deposits concentrated in the palm creases that feel slightly thickened may be xanthomas, which can signal a serious lipid disorder.
Accompanying symptoms: Fatigue, unexplained weight changes, dark urine, pale stools, widespread itching, or abdominal discomfort alongside yellow palms all point toward systemic conditions that need workup.
Rapid onset in a child: While dietary carotenoderma is common and harmless in babies eating pureed vegetables, very rapid onset of yellowing in a newborn or young infant should be evaluated to rule out neonatal jaundice or liver conditions.

When in doubt, the first-line tests are straightforward: a serum bilirubin level, a basic liver panel, thyroid function tests, and a fasting glucose or hemoglobin A1c. A serum carotenoid level can also be measured if the diagnosis isn’t obvious, though many clinicians consider it unnecessary when the clinical picture is clear.¹⁷

Skin Yellowness and How Others Perceive You

An unexpected corner of this topic sits in the perception research. Studies on human attractiveness have found that carotenoid-based skin coloring is associated with perceived health. People consistently rate faces with slightly more yellow-golden pigmentation as healthier-looking, and this preference appears connected to carotenoid status signaling good diet.¹⁸ This parallels how carotenoid coloring functions in birds and fish, where brighter pigmentation signals fitness to potential mates. The effect is mostly about the face, though, and operates within a subtle range. The noticeable yellowing that drives someone to search “why are my palms yellow” is well past the threshold of a barely perceptible golden glow. Still, it’s a reminder that the carotenoids you eat do literally change how you look to others, and in moderate amounts, that change is generally perceived as healthy rather than alarming.

1
PubMed. Carotenoderma due to lycopenemia: A case report and evaluation of lycopene deposition in the skin
2
eScholarship@McGill. Digital photo analysis for tissue carotenoid status assessment
3
PubMed Central. Carotenemia: A Case Report
4
The American Journal of Medicine. My Palms Are Turning Yellow: Why and When to Worry
5
PubMed. Consuming High-Carotenoid Fruit and Vegetables Influences Skin Yellowness and Plasma Carotenoids in Young Women: A Single-Blind Randomized Crossover Trial
6
PubMed. Carotenemia. A review
7
Atención Primaria Práctica. Case report Lady with yellow palm
8
PubMed Central. Yellow palms and soles: A rare skin manifestation in diabetes mellitus
9
PubMed Central. An infant with yellow skin
10
Frontiers in Psychiatry. Hypercarotenemia in Anorexia Nervosa Patients May Influence Weight Balance: Results of a Clinical Cross-Sectional Cohort Study
11
JAMA Dermatology. Pathognomonic Palmar Crease Xanthomas of Apolipoprotein E2 Homozygosity-Familial Dysbetalipoproteinemia
12
PubMed Central. Palmar xanthoma-an indicator of a more sinister problem
13
JAMA Dermatology. Yellow Staining Caused by 4,4′-Methylenedianiline Exposure: Occurrence Among Molded Plastics Workers
14
PubMed Central. Cutaneous Manifestations of Chronic Kidney Disease, Dialysis and Post-Renal Transplant: A Review
15
PubMed. Acquired palmoplantar keratoderma
16
PubMed Central. Common and rare genetic variation intersects with ancestry to influence human skin and plasma carotenoid concentrations
17
PubMed Central. Yellow yellowish Palms and Soles: Look Beyond the Eyes and Think Beyond Hyperbilirubinemia
18
Evolution and Human Behavior. Carotenoid and melanin pigment coloration affect perceived human health