week 1

Question 1

What is the visible light spectrum?

Answer 1

400-700 nm

Question 2

How does spectral power distribution work?

Answer 2

The lower the percentage/ the less the amount of energy being emitted the lighter (the darker the colour is) and vice versa. Based on additive colour theory

Question 3

What are the three parts to viewing colour?

Answer 3

Light source, object, observer

Question 4

What is light?

Answer 4

Light is a range of waves (cosmic, z-rays, eltraviolet, infrared, radar, microwave, radio, TV)

Question 5

What is radiation?

Answer 5

Waves that make up the electromagnetic spectrum, radiation is the visible spectrum is known as light

Question 6

What is the colour sequence?

Answer 6

Violet, indigo, blue, green, yellow, orange, red

Question 7

What are different CIE systems?

Answer 7

XYZ, Yxy, Lab, LCH

Question 8

What are the attributes of colour?

Answer 8

Hue, saturation, lightness

Question 9

What are advantages of the Yxy diagram?

Answer 9

Used for a range of calculations and visualizations

Question 10

What are the disadvantages of the Yxy diagram?

Answer 10

Perceptually non-uniform, colour differences are not equally spaced throughout the diagram

Question 11

What does LCh* stand for?

Answer 11

Lightness, chroma coordinate, hue angle