I segreti nascosti dei colori di Marco Nicola Aramengo.

Nella sede dell' Associazione Culturale Guido Nicola ad Aramengo in provincia di Asti si è tenuta una presentazione di Marco Nicola dal titolo I SEGRETI NASCOSTI DEI COLORI.
Incontro del 7 settembre 2024 per rilanciare l'antico borgo di Aramengo nel segno dell'Arte e della Cultura.
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The text discusses various aspects of color, light, and perception, and the significance of pigments in art and culture. Here’s a detailed summary:
Basic Concepts of Color Perception
The speaker explains that three elements are necessary for a color to exist: light, matter, and the observer. Without these, color does not exist from a human perspective. Philosophically, light can be seen as divine, matter as creation, and humans as the perceivers. Light is absorbed by matter, and only the reflected frequencies reach our eyes, creating the sensation of color.
Differences in Color Perception
Not everyone perceives colors the same way due to physiological differences in vision. This leads to disagreements about color identification. The speaker uses optical illusions to illustrate this point, such as a Coca-Cola can that appears red due to cultural associations, even though it is made up of other colors.
Newton's Experiments with Light
The speaker references Newton's experiments from 1665, which demonstrated that light is composed of various colors. The refraction of light through a prism creates a rainbow, traditionally recognized as having seven colors. The number seven is significant in various cultural and religious contexts, associated with structures like the seven planets and seven days of the week.
Symbolism of the Rainbow
The rainbow is a symbol of peace, and the speaker compares different rainbow flags, such as the peace flag and the LGBTQ+ flag, highlighting the differences in the number of colors and the controversies surrounding them. The rainbow is also linked to the biblical narrative of the flood, representing God's promise of peace with humanity.
The Role of Light in Color Creation
The speaker emphasizes that light is not a substance but a phenomenon that influences color perception. By using colored lights, one can see colors that do not exist in reality. This principle is applied in modern technologies like video mapping and television, where colors are created through the manipulation of light rather than physical pigments.
Behavior of Pigments
The speaker contrasts the behavior of light and pigments, noting that mixing colored lights can produce white, while mixing pigments results in darker colors. This demonstrates that pigments do not behave according to traditional color theory. The discussion highlights the complexities of color perception and the limitations of theoretical models when applied to real-world scenarios.
Conclusion
The speaker concludes by reiterating the importance of light and matter in color perception, emphasizing that understanding these elements enriches our visual and cultural experiences. The exploration of colors, pigments, and light is a multifaceted topic that intertwines science, art, and culture, making it a fascinating subject for discussion.