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Second lesson

In summary, the colors of the Iris are:

magenta, yellow and blue (or the primary colors), orange, green and violet (or secondary colors) and indigo, which is a variation of purple.


By mixing the secondary colors together, in every possible combination, we will be able to obtain all the colors that exist in nature. Black, on the other hand, is the result of mixing the three primary colors together (subtractive synthesis) and white comes from the superposition of three beams of light, green, blue and orange respectively (additive synthesis).

Precisely these two syntheses demonstrate that black and white do not exist in nature: they are the effect produced by the sum of light or color.

The theory of contrary colors is based on the fact that the fundamental colors of the subtractive synthesis (magenta, yellow and blue) form the maximum contrast between themselves, even if none of them oppose mixing with the others. Consequently, green (yellow plus blue) will be the opposite of magenta (primary not included in green), red (magenta plus yellow) will be the opposite of blue (primary not included in violet).


These opposite colors are called complementary, because each of them serves as a complement to the other two to form the complete subtractive synthesis, with which black is obtained.

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