It is depends on the material properties of the part and the bin. The Albedo* may vary, even if the color seems for us the same.
*Albedo or material reflectivity coefficient is the amount of light reflected (diffuse reflection).
-Some materials like snow reflect almost all light, thus the albedo is close to 1 (meaning 100% of the light is reflected).
-White paper reflects most of the light, but it is not so bright as snow -- it reflects about 70% of the light and thus the albedo is 0.7.
-Some materials reflect very low light, such as black rubber. We still can see them, because our eyes are very well adapted to dynamic differences. Even when it reflects only a tenth of the light, it is still enough to see them well.
Example:
Black rubber cable (albedo cca 0.1) on white paper sheet (albedo of 0.7)