Additive and Subtractive Colour Theory

This set of flashcards covers key concepts from the lecture on additive and subtractive color theory, including definitions, examples, and applications.

What is white light composed of?

White light contains all the colors of the rainbow.

How can white light be separated into colors?

A prism can be used to separate white light into its colors.

What are the primary colors in additive color theory?

Red, green, and blue.

What are the secondary colors in additive color theory?

Magenta, yellow, and cyan.

What happens when more light is added in additive color theory?

The color becomes brighter, eventually creating white.

Where is additive color theory commonly applied?

In devices like televisions, phones, and computer screens.

What are complementary colors?

Colors that are opposite each other on the color map.

Give an example of a pair of complementary colors.

Red and cyan, green and magenta, blue and yellow.

What are the primary colors in subtractive color theory?

Magenta, yellow, and cyan.

What are the secondary colors in subtractive color theory?

Red, green, and blue.

What happens when more pigment is added in subtractive color theory?

It absorbs more light, making the color darker and eventually creating black.

Where is subtractive color theory commonly used?

In printers and painting.

How do objects appear a certain color based on light?

Objects reflect certain colors of light and absorb others.

What does a red piece of paper do with light?

It reflects red light and absorbs all other colors.

What does a black piece of paper do with light?

It absorbs all light (none reflected).

What does a white piece of paper do with light?

It reflects all light (none absorbed).

What is the purpose of a filter in optics?

A filter allows certain colors of light to pass through while absorbing others.

What does a blue filter do?

It lets blue light pass and absorbs all other colors.