Value relative lightness and darkness of surfaces ranges from white through grays to black To suggest the way light reveals form, artists use changes in value.
Dark Medium Light
Chiaroscuro Italian: chiaro - light or clear oscuro – dark or obscure A type of modeling wherein manipulation of light and shade to create the illusion of volume and/or distance on 2 D surface
Italianate Landscape with Travelers (1646). Jan Both.
The Calling of St. Matthew (c. 1597 -98). Caravaggio.
Milkmaid (1658 -60). Johannes Vermeer.
Other modeling techniques hatching - broken hatching cross-hatching stippling
Hatching
Cross-hatching
Stippling
Study of Arms and Hands (c. 1474). Leonardo da Vinci.
Study of the Kneeling Leda (c. 1505 -07). Leonardo da Vinci.
The Virgin and St. Anne with the Christ Child and John the Baptist. Leonardo da Vinci.
Strong and Minimal Value Contrast – the difference between the light and dark areas - strong or minimal Contrast between light and dark gives impact to the work that may be essential to its content.
Sacred Love Versus Profane Love. (c. 1602 -03) Giovanni Baglione.