the.com/richness
The quality of having so much it borders on rude.
means The state of being abundant, deep, or full — in wealth, flavor, color, or detail.
from From Old English rice, meaning powerful or mighty, looping through French riche; wealth and might were once the same word, because of course they were.
Not just moneyApplies to soil, soup, sound, and sarcasm.
Flavor scienceUmami underpins the richness of savory food.
Color depthDesigners chase richness as saturation plus tonal range.