Black & White – color mixed 
Black & White – high contrast 
Black & White – low contrast
The image is my sister’s candies. I use light room to set the image with different black and white version, color mixed, high contrast, low contrast.
Lab: Week 5- Black& White
These all look pretty similar. Orange and yellow are close together on the color wheel. That said try using the BW mixer under color to make the yellow as light as possible in one and the orange as dark as possible in the other.