錯覺 illusion
Mr. KO - 2007
The top rectangle is the same as the second one in shape and size, but the former appears to be slimmer than the latter.
Horizontal line segments that are aligned horizontally appear to tilt.
請說出每格的顏色
請說出每一個字的顏色
綠紅黃橙藍 黑藍紫紅 橙 橙綠紅黑綠 黃紅藍紫橙