Difference between Lightness and Luminosity

LIGHTNESS vs LUMINOSITY: NOUN

The product of being illuminated.
The condition of being illuminated
Absence of depth or of duskiness in color
Illumination, or degree of illumination.
The state, condition, or quality, of being light or not heavy; buoyancy; levity; fickleness; nimbleness; delicacy; grace.
4, Volatility, Frivolity, etc. (see levity), instability, giddiness, airiness.
Synonyms Briskness, sprightliness, ease, facility, swiftness.
Light-headedness.
Levity; wantonness; unchastity.
Inconstancy; unsteadiness; fickleness.
Freedom from heaviness or clumsiness in act or execution; dexterity; nimbleness; agility: as, lightness of touch in painting or music; lightness of foot in running or dancing.
In cookery, sponginess; the state of being well raised; freedom from sogginess.
The state or quality of being light in weight; lack of heaviness or gravity: as, the lightness of a burden; the lightness of cork or of hydrogen.
The state or quality of being light or bright.
The gracefulness of a person or animal that is quick and nimble
The visual effect of illumination on objects or scenes as created in pictures
Having a light color
The relative whiteness or transparency of a colour
The property of being comparatively small in weight
The trait of being lighthearted and frivolous
A feeling of joy and pride
Levity, frivolity; inconsistency.
Freedom from worry.
Agility of movement.
The state of having little weight, or little force.

The rate at which a star radiates energy in all directions
The ratio of luminous flux to radiant flux at the same wavelength; the luminosity factor
The state of being luminous, or a luminous object; brilliance or radiance
The quality or state of being luminous; luminousness.
In botany, phosphorescence.
Specifically, the intensity of light in a color, measured photometrically.
The quality of being luminous or bright; luminousness; the radiation or reflection of light.
The ratio of luminous flux at a specific wavelength to the radiant flux at the same wavelength.
The condition or quality of being luminous.
The quality of being luminous; emitting or reflecting light
Something luminous.

Naturalness, Playfulness, Smoothness, Airiness, Sliders, Luminance, Illumination, Thoughtlessness, Brightness, Levity, Clarity, Constancy, Luminosity, Weightlessness, Light

Reflectivity, Reflectance, Photometry, Redshift, Luminous flux, Luminescence, Radiance, Lighting, Brilliance, Lightness, Illumination, Luminousness, Light, Luminance, Brightness

Liveliness, Sweetness, Elegance, Playfulness, Smoothness, Airiness, Luminance, Illumination, Brightness, Levity, Clarity, Constancy, Luminosity, Weightlessness, Light

Illuminance, Reflectivity, Reflectance, Photometry, Redshift, Luminous flux, Luminescence, Radiance, Lighting, Brilliance, Lightness, Illumination, Light, Luminance, Brightness

England became popular due to their lightness and agility.
Its silky lightness blends nicely with a salmon dish.
The shade (darkness) or tint (lightness) of a colour.
Leaf Coffee Table boasts a lightness belying its material.
It gives the impression of both sturdiness and lightness.
The "unbearable lightness of being" becomes more bearable.
And I feel a lightness in my spirit!
The lightness of the fabric will partner well with the lightness of the suede material.
Lightness: not frivolity but a lightness of touch that allows the writer and reader to soar above the paralyzing heaviness of the world.
Unlike hue and saturation properties, lightness does not set the used value, but it shifts the existing source pixel lightness value.