You're meant to "taste the rainbow," but if you've ever found yourself eating more yellow Skittles than the reds, oranges, greens or purples, you're not the only one.

Photo evidence suggests the distribution of color in packets of Skittles isn't always even, as the lemon-flavored sweets dominate each bag.

This theory has recently been proved by Skittle-obsessed Reddit users who have analyzed the quantities of each color in small samples of Skittles bags.

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According to the Reddit message board, yellow is the most common Skittles color, but as Unilad points out, there could be a good reason behind this "inequality."

A video from the Wrigley factory in Yorkville, Illinois where Skittles are made, shows the sweets are sorted by their color into individual vats. Yet somewhere in the production process, the yellow sweets manage to make their way into the wrong section, which makes them more prevalent than they should be. Sneaky.

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The Reddit users have been quick to put forward a few other explanations.

"More yellow makes the mix look brighter and makes you want to eat more," said one user, while another suggested the color imbalance might be to do with cutting costs.

"Well the yellow dye may be their biggest order and they just make orange by mixing some yellow and red dye (instead of buying separate orange dye)."

Wrigley is yet to address the issue of the yellow Skittles invasion, but whatever the reason behind it, fans of the colorful sweet treat have made one thing clear. They want their rainbow back.

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