greenness

As a noun greenness

is the state or quality of being green; green colour.

As a proper noun grass is

.

As nouns the difference between greenness and greenspace

is that greenness is the state or quality of being green; green colour while greenspace is an area of undeveloped landscape, such as park land left within a city during planning and zoning other areas for development.

As nouns the difference between taxonomy and greenness

is that taxonomy is the science or the technique used to make a classification while greenness is the state or quality of being green; green colour.

As nouns the difference between greenness and greenery

is that greenness is the state or quality of being green; green colour while greenery is green foliage or verdure.

As nouns the difference between greenness and viridness

is that greenness is the state or quality of being green; green colour while viridness is viridity; greenness.

Viridity is a synonym of greenness.

As nouns the difference between greenness and viridity

is that greenness is the state or quality of being green; green colour while viridity is the state or condition of being virid.