For printing, four colors are necessary cyan, magenta, yellow & black (CMYK).
So if you have these four colors when painting something with the hand rather than printing. You can draw anything in full color.
With CMYK pen, you able to put your eyes on it. Although it is a traditional four-color ballpoint pen, this contains ink cyan, magenta, yellow & black respectively. The official website, you can see many drawings in 4 colors.
According to the clubink, CMYK is a printing technology introduced by Eagle Printing Ink Company in 1906. But since the PANTONE color of the color swatch book gained popularity in 1956, it has finally got a standardized history.
CMYK pen available soon for 12.75 UD$. You will receive notification... If you register on their official website.
