The issue seems to arise out of some incompatibilities with color rendering Win32 APIs under specific conditions. The problem seems to be most common with the white color. Here's how Microsoft ...

It is a 2 MP color-rendering sensor that, combined with an in-house algorithm, is designed to reproduce realistic, true-to-life colors. The module utilizes a 9-channel spectral sensor, which ...

What if you could change the refraction index of skin? If you could prevent the normal scattering at the interface, you could reveal the structures underneath, effectively rendering skin transparent.