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Re:Was Vincent van Gogh color blind? (2012) by lupire on Sunday September 04, 2022 @06:59AM (#32711759)
The deuteranopia is very slightly more orange in some squares.

The visibility probably depends a lot on your display color calibration and how fil spectrum your ambient light is. Incandescent "soft white" and modern imitations, common in household lighting, is usually yellow/orange.

Re:Was Vincent van Gogh color blind? (2012) by ObscureScience on Sunday September 04, 2022 @08:15AM (#32712226)
I overlayed them in Gimp as layers and did A/B comparison with other people and neither could detect a change.
Re:Was Vincent van Gogh color blind? (2012) by lupire on Tuesday September 06, 2022 @11:32AM (#32738521)
Thanks for doing the "obscure science"! Perhaps it was variations in my lighting or optical illusion effects.