Hemmed Glare Sky

Old English hem, border — past-participle of hem. As a color modifier, hemmed implies a clear-and-finished-and-bordered quality where the hue carries the visual register of carefully-hemmed-and-finished textile-edge. Sits at the crisp-and-finished end of the grid, parallel to trim and finished in usage.

Middle English glaren, to-shine-brightly. As a color modifier, glare implies a harsh-and-bright-and-overwhelming quality, the visual register of desert-noon-and-snow-field-glare hand-harsh-and-bright-and-overwhelming desert-noon-and-snow-field-and-salt-flat glared-and-harsh-and-bright-and-overwhelming surfaces under desert-noon-and-snow-field-and-salt-flat overhead-sun-and-snow-blind-and-bleached harsh-noon-light. Sits at the modifier-and-mood end of the grid, parallel to flash and blaze 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.