Krishna means Black colour.

The meaning of krisnha is many , the literal meaning comes from root word Kri , kriya , doing , doer ship , shhhhh is silence , na means bliss , eternal bliss , so he refers to the centre of centre , like a axel in a wheel where the axel doesnt work , so hinduism refers to the self or center , krisna means non doing , bliss is in the centre , our whole efort is to go to the centre and not to remain in the pheripery , hence the ashoka chakra is derived , even krishna is referrd as black , yes the centre of centre is dark energy , teh black hole , dark energy is more than light energy , go and look out the skies , light jsut seems to pierce out in darkness , so wat is darkness , , dear kapoor , hinduism speaks of centre and pheripery principle , yat pinde tat bramhande , wat is in microsm is in macrosm ! regds swami dhyan shivam delhi

Krishnam is a sanskrit word that says about a black whole for which no one had found the real meaning of it,,it is a great power that everyone of us have in ourselves,,the day we come to know the real meaning of that powerful word,,,,,,,we come to know the highest path of relion is absolute,unconditional loving surrender onto lord krishna,which frees one from all sins,brings one to complete enlightenment and enables one to return to krishna's eternal spiritual abode.

Source: sameera