With black
When iodine solution is mixed with starch solution they produce blue-black color.
The colors on the color spectrum combined to produce gray are black and white.
Black is an easy color to produce cheaply. Color costs money.
Heat dissipation? Black is an easy color to produce cheaply. Color costs money.
white
black/silver
Starch molecules react with iodine to produce a blue-black color. This reaction is commonly used as a test for the presence of starch in a substance.
White, red, and black do not produce a new color when mixed together. White represents the absence of color, red is a primary color, and black is the absence of color. Therefore, these colors remain separate when combined.
black
It is possible, the lab may have a black color gene in it.
Black added to any color will produce a darker shade of the color. So, if you add green to black, you would get a darker and darker green until you end up with what appears to be black.
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