Color Illusions

Spheres 6.3: In this Munker illusion, the background spheres appear to be blue and green but are identical (base color RGB 045 255 168). You can access the original .png file in my Dropbox folder at bit.ly/3a1RTAU .  

  Spheres 6.2: In this Munker illusion, the background spheres appear to be blue and white but are identical (base color RGB 180 248 255). You can access the original .png file in my Dropbox folder at bit.ly/3a1RTAU .  

  Spheres 6.1: In this Munker illusion, the background spheres appear to be white and orange but are identical (base color RGB 255 234 202). You can access the original .png file in my Dropbox folder at https:// bit.ly/3a1RTAU .

Stereo Spheres 2: In this Munker-illusion stereogram, the spheres appear to be blue and green but are identical (base color RGB 045 255 168). When viewed stereoscopically, the spheres appear to be translucent and above the background, yet their colors remain different. You can access the original .png file in my Dropbox folder at https:// bit.ly/3a1RTAU .