Sure Pimento Sky

Old French seur, certain — used as a color modifier since the medieval period for hues that read as confident and stable. Sure red, sure blue: moderate saturation combined with optical commitment. Sits at the crisp-bucket center alongside steady and true.

Spanish pimiento, sweet-red-Iberian-capsicum. As a color modifier, pimento implies a sweet-red-Iberian-capsicum-and-allspice-berry quality, the visual register of Spanish-and-Jamaican-pimento hand-sweet-red-Iberian-capsicum-and-allspice-berry Spanish-and-Jamaican-pimento-and-allspice-berry pimento-and-sweet-red-Iberian-capsicum surfaces under Spanish-and-Jamaican-pimento-and-allspice-berry Iberian-and-Jamaican-Blue-Mountain Iberian-and-Jamaican-spice-light. Sits at the modifier-and-flavor end of the grid, parallel to chili and pepper in usage.

The blue of a clear sky at noon — produced by Rayleigh scattering, the preferential dispersion of shorter wavelengths through atmospheric molecules. Air itself is colorless; the color we see is sunlight scattered toward our eyes by every cubic kilometer above. The reference shade is mid-latitude noon under a high pressure system: a clean, slightly green-shifted blue with the luminous depth of light scattered across an entire hemisphere of air.