
Would a person wearing dark clothing on a hot day feel warmer than a person wearing light colored clothing?
Would a person wearing dark clothing on a hot day fell cooler or warmer than a person wearing light colored clothing? If you could explain your answer with refrences to radiant energy or a website that would be great!
The person in black would heat up while those in white stayed cooler.
Light is made up of different wavelengths. The wavelengths visible to the human eye are the colours we see, all the colours of the rainbow plus the combinations of those colours (other wavelengths non-visible to humans include infrared and ultraviolet light).
When you see a red t-shirt, all the colours of light are in fact being absorbed by that shirt except red. This red light is reflected by the fibers of the shirt, up to the eye and so this is the colour we see. That is why, in the dark, everything looks black -because there is no light available to be reflected off objects to give them colour.
Black is in fact the abscence of colour. If you mix every colour of paint you will likely get something dark and murky -this idea has the same principle. If an object absorbs every colour of light (or there is no light present), then none is being reflected up to the eye, giving the object no colour. This creates a negative space – black. Since light is a form of energy and energy creates heat, black clothes, absorbing every colour of light and therefore the most *heat*, will heat up the most on any day.
Conversely, white light is actually formed by all the colours reflecting off an object, therefore without this extra heat being absorbed by the fabric, white is the coolest colour to wear.
that’s why people say to wear light colours in summer!
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