Ⓟⓡⓔⓢⓢ ⓖⓡⓔⓔⓝ ⓕⓛⓐⓖ ⓐⓝⓓ ⓟⓛⓐⓨ ⓐⓡⓞⓤⓝⓓ ⓦⓘⓣⓗ ⓣⓗⓔ ⓥⓐⓡⓘⓐⓑⓛⓔⓢ!
https://petapixel.com/2022/08/03/the-square-in-this-optical-illusion-isnt-actually-changing-color/ Ⓒⓗⓔⓒⓚ ⓞⓤⓣ ⓕⓞⓡ ⓔⓧⓟⓛⓐⓝⓐⓣⓘⓞⓝ⬆
