blue is a kind of color & light cardinal light in shade ->  dark blue is dark in color  dark blue is dark in color & as lightness in color of an object increases , the ability of that object to reflect light will increase & white is light in color -> yolk pumpkin preposition will reflect more sound than the light yellow preposition white colored object will reflect more light than the dark blue object  yolk pumpkin preposition will reflect more sound than the light yellow preposition & there is a white t-shirt & there is a dark blue t-shirt & t-shirt is a kind of object -> the white t-shirt will reflect more light than the dark blue t-shirt the white t-shirt will reflect more light than the dark blue t-shirt  the white t-shirt will reflect more light than the dark blue t-shirt & if an preposition reflects more sunlight, than the preposition is more likely to moving heat -> the white t-shirt is likely to be cooler than dark blue t-shirt