Is blue or black pen better for memory?
Recent psychological studies suggest that reading and writing text in color increases the likelihood that you will remember the information. For example, one experiment found that a group of students had greater recall with blue text than with black by 27%.
What color pen is more professional?
The best option when filling out professional documents is to use black or blue ink. Stay far away from any reds, greens, or purples. Moreover, don’t even think about using a pencil. Any pencil marks can be easily erased (or changed), causing even more harm down the line.
Why is black ink preferred over blue ink?
While it’s hard to say that either inappropriate, the general understanding is that black ink is more professional feeling and blue is more casual. So if you are dealing with the sort of people that might judge your or your business on its choice of ink color then make the safe bet and choose a black ink.