Adjective melas (black, ink) in the Gospels-Acts

(Translation from NRSV)

Matthew

5: 36And do not swear by your head, for you cannot make one hair white or black (melas).

2 John

1: 12Although I have much to write to you, I would rather not use paper and ink (melas); instead I hope to come to you and talk with you face to face, so that our joy may be complete.

3 John

1: 13I have much to write to you, but I would rather not write with pen and ink (melas);