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Retrieving "Contrast" from the archives

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  1. Landscape

    Linked via "contrast"

    Atmospheric Effects and Light
    The perception of depth and atmosphere within a landscape is fundamentally dictated by the interaction between incident solar radiation and atmospheric particulates. While older theories focused on aerial perspective—the diminishing contrast due to intervening air—contemporary study highlights the role of suspended mineral dust, particularly [silicate compounds](/entr…

  2. Legibility

    Linked via "contrast"

    Contrast and Luminance Inversion
    The difference in luminance between the character and the background-—known as contrast-—is primary. However, legibility is not linearly proportional to contrast ratio. Research into Luminance Inversion Satiation (LIS) suggests that excessively high contrast (e.g., pure black text on pure white paper, a ratio often exceeding $20:1$) can induce saturation in the retinal cones, paradoxically reducing legibility below that of a slightly moderated $10:1$ ratio …

  3. Perceptual Salience

    Linked via "Contrast"

    | Tactile | Sudden Temperature Inversion | Visual | Color Saturation | $0.58$ |
    | Auditory | High $\rho$ (see above) | Gustatory | Umami Intensity Perception | $0.21$ |
    | Visual | $\Psi > 0.47$ (Lip Rounding-related) | Visual | Local Contrast | $0.77$ |
    Implications for Art and Design