The colors under the Linux terminal

Output of colors under Linux terminal

You can also create colorful fonts and patterns at the command line, just add some color codes, such as

Echo-e "\033[41;36m Red Bottom Green character \033[0m"

where 41 of the position represents the background, 36 of the position is the color of the word
those ASCII code is the whole story of the color call.
\033[, M ... \033[0m
Word background color range:----
40: Black
41: Crimson
42: Green
43: Yellow
44: Blue
45: Purple
46: Dark green
47: White
Word color:-----------
30: Black
31: Red
32: Green
33: Yellow
34: Blue
35: Purple
36: Dark green
37: White
description of the ===============================================ansi control code
\33[0m Close All Properties
\33[1m setting High brightness
\33[4m underline
\33[5m Flashing
\33[7m Reverse Display
\33[8m blanking
\33[30m--\33[37m setting foreground color
\33[40m--\33[47m set background color
\33[na the cursor to move n rows
\33[NB cursor down n rows
\33[NC cursor Right shifts n rows
\33[nd cursor left n rows
\33[y;xh Setting the cursor position
\33[2j Clear Screen
\33[k clears the contents from the cursor to the end of the line
\33[s Save cursor position
\33[u Restore cursor position
\33[?25l Hide Cursor
\33[?25h Display Cursor

With a board under the shell.

From for notes (Wiz)

The colors under the Linux terminal