(CBS SF) –It’s become the dress we love to hate. Whether you’re in the white and gold or blue and black camp, you know what you see, and no amount of Photoshop eye-dropping tools can convince you otherwise.

Although Buzzfeed thinks it tracked down the dress — which clearly looks black and blue in the new photo — the original image of the dress continues to unleash a flurry of different responses on social media.

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And to think this all started from a young Scottish woman who posted a simple question on her Tumblr account, thought to be only read by her inner-circle of friends. “Guys please help me – is this dress white and gold, or blue and black?” she wrote. “Me and my friends can’t agree and we are freaking the f**k out.”

A couple of hours later, the whole world was chiming in.

So why can’t we agree on the color of the dress? Here are seven theories:

1.  Human eyes and brains have evolved to see color in a sunlit world, as a result, we perceive only the reflected colors. Blue light has the shortest wavelength making it harder to see than other colors.

2. Our eyes naturally perceive warmer colors more than cooler colors since there are more red and green cones in the eye than blues cones. This would explain why some see a white and gold dress. But we each have different ratios of these cones which come in three types: red, green and blue.

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3. Men and women sometimes see different colors. Women do a better job of differentiating colors while men were built to see detail from a distance. It’s an evolutionary adaptation most likely linked to our hunter-gatherer past.

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4. Depends on the kind of phone or computer screen you have and the brightness it’s set at. It may look different from your small smartphone screen compared to a larger desktop screen.

5. The type of glasses you have, especially if they have lens coating, and the angle they’re at.

6. Your current mood. Research suggests people in a good mood take in more information when they look at something while people in a bad mood are more likely to see with tunnel vision.

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7. Photoshop. The eye-dropper tool may “prove” that the colors are blue and brown but the photo of the dress being worn paints a different picture.