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Color and Light

Color and Light. Physical Properties of Light. Physical properties is one of many different ways light can be classified/understood. Aesthetic Psychological Physiological Physical Laws and Quantification Light can be defined a ‘visually evaluated radiant energy’. .

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Color and Light

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  1. Color and Light

  2. Physical Properties of Light • Physical properties is one of many different ways light can be classified/understood. • Aesthetic • Psychological • Physiological • Physical Laws and Quantification • Light can be defined a ‘visually evaluated radiant energy’.

  3. Spectrum of Visible Light White light is broken into component colors when it is refracted through a prism.

  4. Light as Radiant Energy Light is part of the electromagnetic spectrum Visible Light Infrared Ultraviolet Note that the eye is more sensitive to certain wavelengths or colors of light.

  5. Mixing Color Additive (Light) Primaries Red, Green and Blue Additive Secondary Yellow, Cyan, and Magenta Subtractive (Pigment) Primaries Yellow, Cyan, and Magenta Subtractive Secondary Red, Green and Blue

  6. Additive (Light) Color Mixing ‘White’ Light ‘White’ Light Made from Red, Blue and Yellow Light Sources

  7. Additive (Light) Color Mixing Blue Light Red Light Green Light Blue and Green Light

  8. Selective Absorption of Light Color is seen when a material reflects selective wavelengths of light. White is seen when a material reflects all of the wavelengths of a white light source. When most of the light is reflected back at you

  9. Selective Absorption of Light • Color is seen when a material reflects selective wavelengths of light. • White is seen when a material reflects most of the wavelengths of a white light source. (White surfaces absorb 10-15% of the light.) • When most of the light is absorbed by a material the color will be perceived as black. (Black reflects 10-15% of the light.)

  10. CRI Color Rendering Index CRI Indicates how well an objects colors are rendered by a light source. Similar sources are compared to a set of eight specific colors. The better the source the higher CRI. Scale of 0-100 90+ Very good. A high CRI does not guarantee that all colors will be rendered well under the source. The CRI is just and indication that the source has a large range of color rendering.

  11. To ensure that colors and materials chosen for architectural interiors will render well they must be chosen under the light source that the will be installed. Colors can appear different under different light sources. CRI Color Rendering Index Represents the relative color temperature of a light source. Heated black body source compared to light sources. Cool or Warm

  12. CRI Color Rendering Index Daylight HID - Mercury Incandescent Fluorescent

  13. CCT Correlated Color Temperature

  14. CCT Correlated Color Temperature Where may you want a warm color source? Where may you what a cool color source?

  15. Application of Light and Color E.F Hauserman Showroom Display of Office Partitions Express forward thinking and commitment to art and experimentation. Dan Flavin

  16. E.F Hauserman Showroom Dan Flavin

  17. E.F Hauserman Showroom Dan Flavin

  18. E.F Hauserman Showroom Dan Flavin

  19. E.F Hauserman Showroom Dan Flavin

  20. E.F Hauserman Showroom Dan Flavin

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