Sizzling Joy Sky

Imitative-onomatopoeic origin — present-participle of sizzle, with sound-and-action mimicry. As a color modifier, sizzling implies a saturated-and-hot-and-active quality, the bright color of Spanish-tapas-tapa hot-griddle iron-skillet surface-emission. Sits at the bright-and-warm end of the grid, parallel to searing and scorching in usage.

Latin gaudia, delights. As a color modifier, joy implies a bright-and-radiant-and-uplifted quality, the visual register of Provençal-troubadour-and-Florentine-Carnival-joy hand-bright-and-radiant-and-uplifted Provençal-troubadour-and-Florentine-Carnival-and-Renaissance-festa joyful-and-bright-and-radiant-and-uplifted surfaces under Provençal-troubadour-and-Florentine-Carnival-and-Renaissance-festa banner-and-procession-and-piazza festival-day-light. Sits at the modifier-and-mood end of the grid, parallel to bliss and glee 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.