[tylerhou]

Moonlight is white, just like how the sun is white. The moon = blue, sun = yellow connotations are mostly cultural.

[Nition]

Just looked it up. Apparently it's due to the Purkinje Effect, i.e. "The tendency for the peak luminance sensitivity of the human eye to shift toward the blue end of the color spectrum at low illumination levels."

[perl4ever]

I just googled it and apparently moonlight is actually redder (or yellower if you prefer) than sunlight.

Here is a thread with a graph of the spectrum: https://physics.stackexchange.com/questions/244922/why-does-...