h&m denim midi dress Ladies - Light Blue Flared-Skirt Denim - Size: XS Shaping seams both front and back for a flattering silhouette Ladies - Light Denim Blue

If I squinted my eyes, with my eyelashes just crossing each other, I suddenly saw black and blue

'We see blue and black but some people in the office see white and gold too, so much so were thinking of doing a white and gold version

However, this is only a partial explanation and does not explain how two people viewing the same display might see the dress differently [which apparently does happen], he added

It invalidates our reality

The short answer is: the brain is weird and it does strange things

When the dress occupies most of the image, some people take the blue cloth as their reference for the illumination and so see the dress as white cloth in blue light and the black frills as gold or yellow