I’ve mentioned before that sometimes color plays no role in an image. When this is the case, look to desaturate:

Nightscene during lunar eclipse

This was created during the lunar eclipse, and referred to in this post. Completely orange in the original due to tungsten lighting, but it somewhat works in black & white.  It’s not an earth-shaking image, but I do like the contrasts of the organic & mechanical, as well as the deep dark of the sky.

Post processing with Silver Efex Pro.