@redocly/openapi-core/src/benchmark/colors.js

See https://github.com/Redocly/redocly-cli

'use strict';

function red(str) {
  return '\u001b[31m' + str + '\u001b[0m';
}

function green(str) {
  return '\u001b[32m' + str + '\u001b[0m';
}

function yellow(str) {
  return '\u001b[33m' + str + '\u001b[0m';
}

function cyan(str) {
  return '\u001b[36m' + str + '\u001b[0m';
}

function grey(str) {
  return '\u001b[90m' + str + '\u001b[0m';
}

module.exports = {
  red,
  green,
  yellow,
  cyan,
  grey,
};