Nice discussion. I am really interested to know more about it.
Every colour has a different capacity to reflect & absorb the light according to its own wavelength.
White absorbs least & reflects almost all light where as Black absorbs almost all light & reflects very less light. This explains why Black colour car is having less cooling in summer where as White colour car is having better cooling in summer.
Lighter the colour , better the cooling in summer.
It applies to all sorts of light sources. Day light as well as artificial light source.
So even at night when artificial light falls on dark colours , it reflects less compare to pastle colours there by increasing chances of mis judgement in distance to cover.
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