Mangoes are yellow inside because ripening breaks down green chlorophyll and leaves carotenoids, mainly beta-carotene, in the flesh. These natural pigments are present in the fruit and become visible as the green fades. Colour shifts from pale yellow to deep orange depending on the variety, and skin colour alone is not a reliable sign of ripeness.
Why are mangoes yellow inside? The short answer is pigment. A raw mango is green because of chlorophyll. As the fruit ripens, chlorophyll breaks down and carotenoids take over the colour, which gives the golden to orange flesh you see when you cut a ripe mango. The Hindi question, aam ka rang pila kyon hota hai, has the same answer.
This page explains how that colour forms, why varieties differ, and what colour can and cannot tell you when you buy a mango.
Why are mangoes yellow inside?
Carotenoids are natural pigments found in many orange and yellow foods, such as carrots, papaya and pumpkin. Mango flesh contains several of them, including beta-carotene. They are present in the fruit even while it is green, but the chlorophyll masks them. When ripening starts, chlorophyll fades and the yellow and orange become visible, while the fruit also produces more carotenoids.
Beta-carotene is a precursor of vitamin A, which means the body can convert it when it needs to. That is why people sometimes call mango colour a nutritional marker, though the actual amount varies by variety, ripeness and how much you eat. We would not claim a specific health result from it.
The red or pink blush on some mango skins comes from a different group of pigments, anthocyanins, which form mostly where the fruit was exposed to sun. A blush says something about the tree and the position of the fruit, not about sweetness. If a cut mango turns slightly brown at the edges after some time, that is ordinary oxidation of the flesh, much like a cut apple, and a squeeze of lime slows it.
The science of aam pila colour
Ripening is a controlled chemical change. A few things happen together.
- Ethylene. Mangoes release this natural gas, which signals the fruit to start ripening.
- Chlorophyll breaks down. Enzymes dismantle the green pigment, first in the skin and often in the flesh near the stone.
- Carotenoids build up. Beta-carotene and related pigments accumulate and give the golden-yellow to orange tones.
- Sugars rise, acids fall. Starch converts to sugar, which is why a ripe mango tastes sweet and a raw one tastes sour.
- Flesh softens. Cell walls are altered, so the flesh becomes soft and juicy.
Skin colour and flesh colour do not always change at the same pace. The skin may turn yellow, stay partly green or develop a red blush, depending on the variety and the sunlight the fruit received on the tree. Flesh colour tells you more about the ripening stage inside.
Mango colour by variety
Not every ripe mango looks alike. The colour you expect depends on the variety.
| Variety | Typical skin when ripe | Typical flesh colour |
|---|---|---|
| Alphonso (Hapus) | Golden-yellow, often with a pink or red blush at the shoulder; can stay slightly green near the stem | Deep golden to saffron-orange |
| Kesar | Yellow-green to yellow, often with a blush | Orange |
| Pairi | Yellow with red tones | Orange |
| Totapuri | Yellow-green to pale yellow | Pale yellow, firmer flesh |
| Langra | Stays green when ripe | Light yellow to yellow |
| Dasheri | Yellow-green to yellow | Pale to medium yellow |
A Langra can be fully ripe while the skin is still green. An Alphonso can look slightly green near the stem and still be sweet. So when someone says a mango must be completely yellow to be ripe, that is only true for some varieties.
Colour and ripeness
Colour is one clue, and a rough one. Better checks combine several signs.
- Smell the stem end. A ripe mango has a full, sweet fragrance.
- Press gently with your thumb. The flesh should give slightly without feeling mushy.
- Check the weight. A ripe mango feels heavy for its size because of its juice.
- Cut one and look at the flesh. Uniform golden or orange colour with a soft texture suggests ripeness. Large pale or hard patches suggest the fruit was picked or ripened too early.
Some mangoes develop dark spots or sugar spots as they ripen. These are not always a sign of damage. Black, wet or fermenting patches with a sour smell are a different matter, and the fruit should be discarded.
Natural ripening
How a mango ripens also affects its colour, flavour and aroma. We do not use carbide. Our Alphonso mangoes are ripened naturally on hay beds. The fruit is harvested at Brahma Muhurta, before dawn, and ripens slowly over days. Ripening speed and temperature both affect how evenly skin and flesh change colour.
Skin colour alone is not proof of ripeness or of how a mango was ripened. A rough clue is that even colour, a rich smell and flesh that is soft throughout point to a fruit that ripened properly. Our guide on how to identify carbide-ripened mangoes covers what to ask any seller.
We are a FSSAI-licensed seller. Our fruit is sourced across 48 villages of the Ratnagiri and Devgad belt on the Konkan coast. Our credential is the GI Authorised User certificate AU/5974/GI/139/260 (GI No. 139) for Alphonso. See Brand Facts for details.
Colour after delivery and storage
Alphonso is a seasonal fruit, harvested roughly February to June, with the best supply from March to May. The 2027 season opens on 1 February 2027. When a box reaches you, the mangoes may be at different stages, so the colours can differ from fruit to fruit.
- Keep unripe or slightly firm mangoes at room temperature, away from direct sun, and let them colour up for a few days.
- Once a mango is fragrant and slightly soft, eat it or move it to the refrigerator to slow further change.
- Do not refrigerate raw, hard mangoes. Cold slows ripening and can dull the flavour.
- Colour changes as the mango ripens, so a box that looks different after two days is normal.
You can order Ratnagiri Alphonso or Devgad Alphonso, or browse the mangoes collection. Check the product page for the current price. If you want colour and sweetness outside the season, Alphonso pulp tins are available all year.
People also ask
Why are mangoes yellow inside?
Mangoes are yellow inside because carotenoid pigments, including beta-carotene, become visible as green chlorophyll breaks down during ripening. The intensity ranges from pale yellow to deep orange depending on the variety. Alphonso flesh is typically deep golden to saffron-orange when ripe.
Is a yellow mango always ripe?
No. Skin colour is only a rough clue. Some varieties, such as Langra, stay green when ripe, while others can look yellow before the flesh is fully soft. Check the smell at the stem end, the give under your thumb and the weight to judge ripeness.
Is orange mango flesh natural?
Yes. Orange mango flesh comes from carotenoids, the same type of pigments that colour carrots and papaya. Varieties such as Alphonso, Kesar and Pairi usually have deep orange flesh. A very deep colour on its own does not prove how a mango was ripened.
Why are some mangoes green when they are ripe?
Chlorophyll in the skin does not fade fully in some varieties. Langra stays green even when ripe, and Alphonso can keep a green tinge near the stem. Check smell, softness and weight to know if it is ready instead of relying on colour.
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Written by Prashant Powle, founder of AlphonsoMango.in. Last reviewed October 2026.