You can say, "Hey, buddy. Just look. These blues are obviously not the same color." That should work.
check the inks maybe only green ink is left and the blue and red inks are out.
The "tests" are only prompting you to click on one of the three colored beakers (Green, Blue, and Red). When the square spot on the timer turns a certain color, click on the same color flask up above. The color codes are :Green-Red-Blue-RedRed-Green-Blue-BlueBlue-Red-Blue-Green
Black and white makes brown
You can mix blue and yellow to get green, and then mix the green with a bit of blue to get a darker shade of blue. Alternatively, mixing black and white with blue can create different shades and tones.
Yes depending on the printer make and model.
An ink cartridge for a printer which contains coloured inks for that printer.
It depends wich colour ink you'll get. If you have black for example, it is made up from red, green, blue and yellow inks. Because there is so many colours they can't reflect through White so you end up with black.
red Eternal Inks or Starbrite or Silverback
Not possible to say as there are too many formulas for different inks.
Blue or black are considered the standard and some banks might require a certain color of ink or they will refuse to process documents, but colored inks are legal.
You can use various types of coloring agents, such as resin dyes, pigments, or alcohol inks, to color resin.
The method to specify colors for a print work.There a book of color swatches is used to match colors with standard inks.