Can you spot the simple mistake in this puzzle?

Just when you thought you could give your brain a rest from the last bamboozling puzzle, another Playbuzz quiz goes viral.

This one really got us scratching out heads.

The puzzle features some text and below it, the numbers one to nine written in the different bright colours.

Your job is to discover the one thing wrong about the image.

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What on earth is wrong with the image? Are they trying to fool us? It looks pretty ok…

Are you smart enough to spot the the mistake in the above image?

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Have you found it yet?

If this image has left you kicking and screaming and you simply cannot take it anymore, here is the answer:

How angry are you right now?