Resounding Virtus Royal

Latin resonāre, to echo back — present-participle of resound. As a color modifier, resounding implies a saturated-and-echoing-and-imposing quality where the hue reverberates visually like a cathedral-bell ring. Sits at the bold-and-resonant end of the grid, parallel to resonant and booming in usage.

Latin virtus, manliness-and-courage-and-virtue. As a color modifier, virtus implies a Roman-virtus-and-stoic-and-Cardinal-Virtues quality, the visual register of Roman-virtus-and-Stoic-Cardinal-Virtues hand-Roman-virtus-and-stoic-and-Cardinal-Virtues Roman-virtus-and-Stoic-Cardinal-Virtues-and-Marcus-Aurelius virtus-and-Roman-virtus surfaces under Roman-virtus-and-Stoic-Cardinal-Virtues-and-Marcus-Aurelius Republican-Rome-and-Marcus-Aurelius Stoic-virtue-light. Sits at the modifier-and-Latin end of the grid, parallel to senex and dux in usage.

The blue of European royal court dress and regalia from the late seventeenth century forward — the color of British peers' robes, French royal sashes, the lining of the crown-jewel cases. The color refers to a saturated, slightly violet-shifted blue with the matte finish of velvet or melton wool dyed to maximum intensity: deeper than cornflower, warmer than ultramarine, with the heraldic weight of a color reserved for monarchs and the official Crown.