Colours of light

What are the 3 primary colors

• red
  green
  yellow

• Red
  blue
  green

• green
  blue
  yellow

• yellow
  red
  blue

Sketch the adding colours of light

red + blue

red + green

blue + green

blue + green + red

Subtracting colours of light using

• coloured filters

• absorbing filters

• absorbed colors

when I need the green light I need

• blue filter

• green filter

• white filter

• transparent filter

If I place the red filter then the blue filter with the white light I generate

• Red color

• Blue color

• Green color

• no light at all

A ___________ object is an object that does not emit its own light