Lectures 12 and 13 - Color Theory

Physical - Physiological - Psychological

• Spectral color - Evoked by a single wavelength of light within a visible spectrum
• Single wavelength generates monochromatic light
• Color is reflected off of surfaces
• Rods: Convey shades of black, white and gray
• Cones: Perceive color (Type 1 - Red, Type 2 - Green, Type 3 - Blue)
•  

Joseph Albers:

Interaction of color (1888 - 1976)

Johannes Itten:

The art of color (1888 - 1967) 

  

Yellow: Mixture of Red & Green 

RGB - Red, Green, Blue

CMYK - Cyan,Magenta, Yellow, Black (print based)

Subtractive color - All mixed is Black (Print/ink)

Additive color - All mixed is White (Digital, RGB) 

 

Chromal Value = Hue +Tone + Saturation