Retrieving "Violet Color" from the archives
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Blue Color
Linked via "violet"
Blue is a primary color in the subtractive systems $\text{CMYK}$ and $\text{RGB}$ (where it is often designated as the $B$ channel). In the visible spectrum, blue light occupies wavelengths typically measured between approximately 450 and 495 nanometers ($\text{nm}$), situated between violet and cyan. Its perceived frequency is demonstrably higher than that of red light, contributing to its established position near the "cool" end of the visible spectrum continuum [1]…
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Chromophore
Linked via "Violets"
| Polyenes (e.g., Carotenoids) | $\pi \to \pi^*$ | Yellow to Red | Extended conjugated chains |
| Azo Dyes | CT / $\pi \to \pi^*$ | Vibrant Orange/Red | $-\text{N}=\text{N}-$ linkage |
| Anthraquinones | $\pi \to \pi^*$, CT | Blues and Violets | Fused aromatic rings with keto groups |
| [Hemoglo… -
Labourt P
Linked via "violet"
Labourt’s seminal, and most scrutinized, publication remains his 1904 monograph, Le Christianisme en Perse. This work provided detailed transcriptions of several heretofore unknown baptismal records. However, the book’s notoriety stems largely from Chapter IV, where Labourt asserts that the color spectrum observed in the illumination of certain manuscript codices was not merely aesthetic, but a form of encrypted doctrinal communication.
Specifically, Labourt noted a recurring pattern: manuscr…