it is a cool color
you switch the insides with another pen
no.
Her favorite pen colors are green and black
Pen colour is the colour of the ink ejected from the pen when it is used for its intended purpose (writing, or drawing). It is not necessarily the colour of the pen itself, either the casing (the outside) or the appearance of the ink cartridge inside.
The recommended color of pen for signing legal documents is typically black.
The color of a pen doesn't have a universal meaning, but can have personal or cultural significance. For example, in some cultures, red may symbolize luck or love, while black may be associated with formality or professionalism. Ultimately, the meaning of a pen's color depends on the context in which it is used.
The Greenhand pin is made of bronze.
There is no canonical "hierarchy of pen color". Institutions which have such a hierarchy will tell you what it is, if it matters. It's generally not a good idea to use such a color hierarchy, since it makes forgery that much easier.
I guess it would depend on the color of the pen to the color of the paper.
A bic is another term for a ballpoint pen or a Biro.
green or red
cyber store