need some advice on a small problem

heres a pic of a leaf that i would say is the worst, but the problem ranges across most of the plant..

i should mention that the plants have only been vegging for about 10 days..
any help would be wonderfull

they seem to be growing very rapidly but the color is really buggin me bad

again, any help would be great.. thanks ya'll

heeellllooooooo

Soil is too wet, let it dry out.