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# Chap42

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### Chap42

1. 1.  Interpret the Colour Wheel.
2. 2. In This Chapter, you’ll learn on:  Describe what the colour wheel is  List and explain: o Primary colours o Secondary colours o Complementary colours  Explain the relationships between primary colours, secondary colours and complementary colours
3. 3. The colour wheel  A color wheel is the arrangement or organization of color hues around a circle which illustrates the relationships between primary colors, secondary colors, complementary colors. Most color wheels consist of 12 main divisions, basing on three primary colors, three secondary colors, and the six intermediate colors formed by mixing a primary color with a secondary color. These intermediates colors are known as tertiary colors.
4. 4. Mixing colour hues and mixing colour lights are different. In this unit, we will learn more about colour mixing theory (traditional colour theory). A 12 division color wheel
5. 5.  Primary colour  In colour mixing theory (traditional colour theory), there are 3 pigment colours that cannot be mixed or formed by any combination of other colours. All other colours can be derived from these 3 hues. They are called the Primary Colours. Primary colours: Red Yellow Blue
6. 6.  Secondary colours  When two of the primary colours are combined the result is called a secondary colour. Secondary colours: Orange ( Yellow + Red) Green (Blue + Yellow) Violet (Red + Blue)
7. 7.  Tertiary Colours  When a primary colour is combined with the secondary colour next to it, tertiary colour is formed. The primary colour is always named first followed by the secondary colour. For example, the colour between yellow and green should be named yellow-green, not green-yellow. Tertiary colours: • Red –Orange • Yellow-orange • Yellow-green • Blue-green • Blue-violet • Red-violet Red Yellow Blue Violet Orange Green Red-orange Yellow-orange Yellow-green Blue-green Blue-violet Red-violet
8. 8.  Complimentary Colours  The term complementary colors refers to two colors which are of “opposite” hue in the color wheel. When two complementary colors are mixed in the proper proportions, they will form a neutral color (grey, white, or black). When one stares at a single color for a sustained period of time (roughly thirty seconds to a minute), then looks at a white surface, an afterimage of the complementary color will appear. For example, after looking at a red colour for roughly thirty seconds or more, you will see cyan when you look at a white surface.
9. 9.  Relationships between Primary, Secondary and Complimentary Colours  The 12-part Color Wheel describes the relationships between colors. The relative positions of colours are an indication of how they will work together. The simplified wheel opposite consists of the primary, secondary and tertiary colours.  Between each of the primary colours are the secondary colours, which result from mixing the two primary colours. The tertiary colours are obtained from mixing the primaries with their respective secondary colours. As the colours progress around the wheel in any direction, each one is a gradual change from its adjacent colour. Complementary colours refers to two colors which are of “opposite” hue in the color wheel.