On Prussian Blue’s Wikipedia page it says: “Like most high-chroma pigments, Prussian blue cannot be accurately displayed on a computer display.”
What exactly does this mean, and what is it specifically about the pigment that causes this
In: Technology
The way computer screens, our eyes and colour work are all very complicated. Essentially, computer screens emit light at 3 wavelengths (red, green, blue, rgb) and mix them to simulate other colours. This works fairly well for most things, but there are limitations.
Since a computer screen only emits light, other phenomena arent accurately captured. One of these is absorption, which is what prussian blue does. When a pigment does one of these effects, we can simulate its colour with a computer screen, but not the way it interacts with light around it (which actually dictates a lot of how we perceive our vision).
Another (simpler) example is something like vantablack. Since there is no way to simulate black on a computer screen other than turning off the pixels, you cant really tell the difference between something like vantablack or specifically lit black felt. ([https://www.youtube.com/watch?v=Xr1AiExSAnU](https://www.youtube.com/watch?v=Xr1AiExSAnU) is a good 20 minute video if you have the time).
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