File:Optical grey squares orange brown.svg
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Size of this PNG preview of this SVG file: 344 × 269 pixels. Other resolutions: 307 × 240 pixels | 614 × 480 pixels | 982 × 768 pixels | 1,280 × 1,001 pixels.
Original file (SVG file, nominally 344 × 269 pixels, file size: 13 KB)
This file and its description are from Wikimedia Commons.
I think the luminance of the orange needs to be turned down for this to work properly
Summary
| Description |
English: Optical illusion.
Both circles and both squares are the exact same color: HEX#D18600, HEX#707070. A color picker can be used for verification. |
| Date | |
| Source | Created from en:File:Optical grey squares orange brown.png which in turn was derived from File:Optical.greysquares.arp.jpg |
| Author | user:JunCTionS (based on source) |
| Other versions | See also File:Grey square optical illusion.svg for the SVG version for the original JPG |
Licensing
|
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:49, 10 April 2007 | | 344 × 269 (13 KB) | wikimediacommons>JunCTionS | 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: [[en:Image:Optical |
File usage
The following 5 pages use this file:
