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Types of Color Theories 1. 1.Subtractive Theory The subtractive, or pigment theory deals with how white light is absorbed and reflected off of colored.

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Presentation on theme: "Types of Color Theories 1. 1.Subtractive Theory The subtractive, or pigment theory deals with how white light is absorbed and reflected off of colored."— Presentation transcript:

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3 Types of Color Theories 1. 1.Subtractive Theory The subtractive, or pigment theory deals with how white light is absorbed and reflected off of colored surfaces. 2. 2.Additive Theory The Additive, or light theory deals with radiated and filtered light.

4 Subtractive Theory Black absorbs most light White reflects most light Colored Pigments absorb light and reflect only the frequency of the pigment color. All colors other than the pigment colors are absorbed so this is called subtractive color theory. The primary colors in Subtractive Theory are: – –Cyan( C ) – –Magenta( M ) – –Yellow( Y ) – –Black( K ) Subtractive or Pigment Theory is used in printing and painting.

5 Additive Theory Black radiates no light White (sun) radiates all light Video is the process of capturing and radiating light, therefore it uses Additive (Light) Theory not Subtractive (Pigment) Theory. The primary colours in Additive Theory are: – –Red( R ) – –Green ( G ) – –Blue( B ) The primary colours add together to make white Light Theory is also called Additive Theory. Light Theory is used in Television, theater lighting, computer monitors, and video production.

6 The Visible Spectrum

7 The Color Wheel If the ends of the spectrum are bent around a color wheel is formed:

8 The Color Wheel Colors on the wheel can be described using three parameters: 1. 1.Hue: degrees from 0˚ to 360˚ 2. 2.Saturation: brightness or dullness 3. 3.Value: lightness or darkness ( As suggested by Henry Albert Munsell in A Color Notation, 1905)

9 Color Wheel Color Values Color Schemes

10 The color wheel fits together like a puzzle - each color in a specific place. Being familiar with the color wheel not only helps you mix colors when painting, but in adding color to all your art creations.

11 Primary Colors Primary colors are not mixed from other elements and they generate all other colors. Red Yellow Blue

12 Secondary Colors By mixing two primary colors, a secondary color is created. Red + Yellow = Orange Yellow + Blue = Green Blue + Red = Purple

13 Intermediate, or Tertiary, colors are created by mixing a primary and a secondary. red-orange yellow-orange yellow-green blue-green blue-purple red-purple Intermediate Colors

14 The principles of color mixing let us describe a variety of colors, but there are still many colors to explore. The neutral colors contain equal parts of each of the three primary colors. Black, white, gray and sometimes brown are considered "neutral”. Neutral Colors

15 Color values are the lights and darks of a color you create by using black and white (‘neutrals”) with a color. This makes hundreds of more colors from the basic 12 colors of the wheel. white + color = tint color + black = shade

16 Tints are lightened colors. Always begin with white and add a bit of color to the white until the desired tint is obtained. This is an example of a value scale for the tints of blue. Tints

17 Shades are darkened colors. Always begin with the color and add just a bit of black at a time to get the desired shade of a color. This is an example of a value scale for the shades of blue. Shades

18 Color Schemes are a systematic way of using the color wheel to put colors together… in your art work, putting together the clothes you wear, deciding what colors to paint your room….. monochromatic, complementary, analogous, warm and cool.

19 “Mono” means “one”, “chroma” means “color”… monochromatic color schemes have only one color and its values. The following slide shows a painting done in a monochromatic color scheme. Monochromatic

20 Using the Wheel The colors are arranged on the wheel in such a way that purposeful color choices can be made. Choices of color combination depend on what you are trying to accomplish. Such as: Contrast Contrast Blending Blending Affect Affect

21 This non-objective painting has a monochromatic color scheme - blue and the values (tints and shades) of blue.

22 Complementary colors are opposite on the color wheel provided a high contrast - if you want to be noticed wear complementary colors! Complementary

23 Using the Wheel Complementary Colors Colors opposite from one another on the wheel. These colors will provide the most visual contrast. Contrast is the noticeable level of difference between two colors.

24 Contrast with Text On the other hand, blue and black offer little contrast. An extended read of this combination could be painful. The more a color contrasts with the colors around it, the more easily visible that color will appear. This fact is extremely important when using different colored texts and backgrounds. This is why black text on a white background is so popular and effective. There’s a high degree of contrast.

25 Contrast with Text But be careful, even though colors may contrast they may not always work well for text and background pairing. “Simultaneous Contrast” occurs when a color like red is fore grounded on blue. Note how the text appears to slightly vibrate. This would get annoying real quick. But simultaneously be aware of extreme lack of contrast in your text and background choices. Honestly, this is just painful. Do not make your readers struggle with this!

26 Practical Example Neither of these flyers is completely ineffective and both provide shape contrast with the text box. But the orange box above provides a nice contrast with the blues and grays of the clothes rack. The blue box here, however, is too similar to the clothes’ color palette.

27 This painting has complementary colors and their values - blues and oranges.

28 The analogous color scheme is 3-5 colors adjacent to each other on the color wheel. This combination of colors provides very little contrast. Analogous

29 Using the Wheel Analogous Colors Colors positioned next to each other on the wheel. These colors have very little contrast; therefore, they will provide harmonious blends.

30 Analogous Colors in Nature Nature offers an excellent look at analogous colors in action. Question: what color of flower could be added to this photo to provide a strong and attention drawing contrast?

31 Analogous colors are illustrated here: yellow, yellow-green, green and blue-green.

32 Warm colors are found on the right side of the color wheel. They are colors found in fire and the sun. Warm colors make objects look closer in a painting or drawing. Warm

33 This is an illustration of the use of warm colors - reds, oranges and yellows.

34 Cool colors are found on the left side of the color wheel. They are the colors found in snow and ice and tend to recede in a composition. Cool

35 Note the cool color scheme in this painting (greens, purples and blues).


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