​
bar

Renders a single bar in an ANSI bar chart using a default low_color of red and a high_color of green. For example, if x of 25% and width of 40 are passed to this function. A 10-character red bar will be drawn followed by 30 spaces to create a bar of 40 characters. Supported Signatures 
function bar(double, bigint) returns varchar
function bar(double, bigint, color, color) returns varchar
🔗 Official Documentation

​
color

Returns a color capturing a decoded RGB value from a 4-character string of the format “#000”. The input string should be varchar containing a CSS-style short rgb string or one of black, red, green, yellow, blue, magenta, cyan, white. Supported Signatures 
function color(double, color, color) returns color
function color(double, double, double, color, color) returns color
function color(varchar) returns color
🔗 Official Documentation

​
render

Renders value x using the specific color using ANSI color codes. x can be either a double, bigint, or varchar. Supported Signatures 
function render(boolean) returns varchar
function render(bigint, color) returns varchar
function render(double, color) returns varchar
function render(varchar, color) returns varchar
🔗 Official Documentation

​
rgb

Returns a color value capturing the RGB value of three component color values supplied as int parameters ranging from 0 to 255. red, green, blue. Supported Signatures 
function rgb(bigint, bigint, bigint) returns color
🔗 Official Documentation