x256

return the nearest xterm 256 color code for rgb inputs.

example

You can just print the index:

var x256 = require('x256');
var ix = x256(220,40,150);
console.log(ix);

output:

or you can use raw ansi escape codes:

var x256 = require('x256');
var ix = x256(220,40,150);
console.log('\x1b[38;5;' + ix + 'mBEEEEEP');

output:

x256 raw beep

or you can use charm:

var x256 = require('x256');
var charm = require('charm')(process.stdout);

var ix = x256(220,40,150);
charm.foreground(ix).write('beep boop');

output:

x256 charm beep boop

var x256 = require('x256')

Return the nearest xterm 256 color code for the 24-bit [red, green, blue] values.

red, green, and blue should each be integers from 0 through 255, inclusive.

array of [red,green,blue] 24-bit color arrays indexed by xterm 256 color code

With npm do:

npm install x256

MIT