1, the flesh is different: yellow lemon skin texture is rough, flesh color yellowish, near smell exudes a strong fragrance; green lemon skin smooth, transparent flesh, near smell has a light lemon fragrance.

2, ripe color is different: yellow lemons will become yellow with the maturity of the fruit, while limes from hanging fruit to maturity are green.

3, nutritional differences: nutritionally speaking, the two nutrients are basically the same, but the citric acid and vitamin C content in the green lemon is slightly higher, and therefore its taste is more acidic.

The above content reference:

People's Daily News - health: green lemon and yellow lemon what difference