Chap 3 Notes - In this includes the main vocab, and key people and points in this chapter and PDF

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In this includes the main vocab, and key people and points in this chapter and for that lecture. ...

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Chap 3 Notes: Light and Color Visible spectrum: newton recreated the colors of the rainbow -without light there is no color; color is the function of light VALUE -refers to relative degree of lightness or darkness of a surface or a color. ●

Determined by the amount of light reflected by the color, describes black, white and gray in work-their presence, absence and relationship to one another

Shades of Gray Achromatic: grays that are achieved by mixing various amounts of black and white and “a”, means without so “without color” Chromatic: grays that contain color and referred as neutral grays -spectrum of grays divided into 2 parts: o o

Low-key value range: move toward black. Read as somber High-key value range: move toward white…read as uplifting

Value Contrast -refers to degrees of difference between shades of gray Value Pattern -describes variation in light and dark within a work of art and way in which composed and arranged -value pattern term applies to full-color works as well as b/w. Chiascuro and Tenebrism Chiascuro: is a value pattern defined by a gradual progression from light to dark through a successive gradation of tone across curved surface Tenebrism: is a value pattern characterized by abrupt and dramatic juxtapositions of light and dark. ▪ ▪

Used for theatricality, drama, mystery in 17th  century Highlighting: when lighting is harshest, and cast shadows most pronounced

Descriptive and Expressive Properties of Value

-Value plays key role in design, used for narrative or symbolic reasons, or to evoke emotional response. COLOR -fundamental to our perception of physical Worland convey our inner thoughts or mood. The Science of light -visible spectrum of array of colors that can be perceived by eye -Newton said colors in order as: red, orange, yellow, green, blue, indigo, violet The Color Wheel -Newton noticed that the colors at distant ends of visible spectrum-red and violet- looked more close to each other -12-point color wheel is foundation of color theory in art done by American physicist Herbert E. Ives, and based on 3 primary colors (red, blue, yellow). -Secondary pigment colors could be created through mixing of primary colors such as green, orange, violet. -and 6 so-called tertiary colors, yellow orange, orange red, red-violet, violet blue, blue green, and green yellow done by mixing primary and secondary colors Additive and Subtractive Colors Additive color: is color created by mixing colored light o

Refers to rays of colored light

Subtractive Color: creating by mixing pigments o o

Refers to mixing of pigments, dyes rather than light and therefore more relevant to actual practice of the artist. Called subtraction since based on absorption of light

Cool and Warm Colors -typical usage to temperature Properties of Color -color discussed in terms of physical, and visual perceptual properties. ▪ ▪

Physical properties such as wavelength and light absorption Perceptual properties by interactivity of light receptors-cone cells-in the human eye with the visible light spectrum ● 3 key perceptual properties are: hue, value, and intensity Hue: pure, unadulterated colors appears on the color wheel Value: refers to lightness or darkness of hue-degree of luminosity

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The addition of black in hue result in shade, and white in tint Mixing gray with colors can create variety of tones.

Intensity and Saturation: are synonyms referred to brightness or dullness of a color Color Schemes Color schemes: planned combinations of colors Analogous colors: are adjacent on the color wheel and more similar to each other Complementary color schemes are based on colors that are across from one another Local, Optical, and Arbitrary Color Local colors: colors to recreate visible reality as accurately as possible and natural appearance of things. Colors perceived in natural sunlight Optical colors: artists simulate the visual effects of different lighting conditions -both local and optical colors rooted in experience Arbitrary(subjective) colors: does not accurately reflect visible reality things and used to convey emotions and inner feelings. Color and Symbolism Colors and culture specific

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