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Summary
Optical illusion. Both circles are the exact same color( HEX#D18600 ), and both squares containing them are also the exact same color ( HEX#707070 ). A color picker can be used for verification.
created from this image: [1]
which is made from this image:
Licensing
I, the copyright holder of this work, hereby release it into the public domain. This applies worldwide.
In case this is not legally possible: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
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