Indigo it is a plant used to make ink founded early 1500s
Black
Bluish black! INK
Bookkeepers used ink to record the money of a company. They use red ink for negative numbers and black ink for positive numbers. When a company is in the black it is making a profit.
Black gray yellow
because it absorbs every colour of the spectrum
Blue and black mainly.
This merely depends on what color the ink is. Black ink is a mixture of at least 4 different colors.
black and red and pie
Most octopus secreted blackish ink that is mostly made up of black pigment melanin.
The company is making a profit. It comes from the colors of ink used when bookkeeping.
Black ink was used to draw draw pictures. You would dip a quill (a sharpened feather) into ink and draw picture because there wasn't markers black then. They also used black ink to write . you dip the quill into the ink and you start writing .
The Guru Granth Sahib is written with Black ink.