Week-October 27

Last week we learn how to make some beautiful colours for a picture.

Firstly,
The range among red green and blue are (range 0 256 1)

such as:

So… Here is a question, why?

Prof. give us a website and that says:"Additive color is color created by mixing light of two or more different colors. Red, green, and blue are the additive primary colors normally used in additive color system. "(https://en.wikipedia.org/wiki/Additive_color)

Example 1:

(square 50 "solid" (make-color 255 255 0))

We can get a yellow square

…

There are all the possibilities

I think these just a warm up for colour - -

By the way, I do not know how to write last week quiz, I feel so sad.

I will learn PDF 1 2 as soon as possible.