This is called value, the ability to create shades and tints for a 3 dimensional feeling. Shades are created by adding black to a colour, while tints are created by adding white to a colour.
value
The lightness or darkness of a color is called the value. This helps colors create the illusion of depth as well as define a form.
Value.
It is value!
temperatre
Tone is pretty much the lightness and darkness of a colour e.g. Blue is dark, Yellow is bright.
mercury has lightness because it is so close to the sun
value
value
The lightness or darkness of a color is called the value. This helps colors create the illusion of depth as well as define a form.
contrast
Value
Value.
Value
Pastel.
in lightness
ice