Question

if you mix pigments so that all wavelengths are being absorbed, youd be left with: black white rewatch

Explanation:

When all wavelengths of light are absorbed by pigments, no light is reflected. In the context of pigment - based color mixing (subtractive color mixing), the absence of reflected light results in the perception of black. White, on the other hand, occurs when all wavelengths are reflected.

Answer:

black