Darker Wood

Hi there!
Just sitting here watching TangoTek and it clicked; 

Charcoal = Darkened Wood Variants.

Hear me out; Charcoal is just burnt wood. So, instead of full wood blocks making plain "Charcoal" they could instead become a "burnt" variant that still retains the same functionally/tag of charcoal, but also usable as a darkened wood varient.

Most wood is very very bright, especially stripped, this would let wood textures lean into the black/grey areas. 

Thanks!