Can You Spot The Letters Hidden In The Colored Dots?

The latest challenge to tickle your brain box will test your color perception as you attempt to find the letters hidden in the colored dots below.

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How did you get on? It seems easy, but they get progressively harder!

The answers are as follows: 1. A, 2. K, 3. E, 4. X.

And if you fancy more of a challenge, try the timed full-version of the test below!

https://www.youtube.com/watch?v=DPxH83YIdio