Week 3 - Colour Flashcards
1
Q
What wavelength is visible light (in nm)
A
450-700nm
2
Q
How many cones does the human eye have, what are they called, and what do they perceive
A
S, M, L
S = blue
M = Green
L = Red
3
Q
What are examples of subtractive light
A
Chemical pigments like ink and paint
LEDs are additive
4
Q
What is the unit of “stimulus”?
A
Candela / Square Meter
i.e. intensity / value
