How to use the ansicolors.brightGreen function in ansicolors

_default: function stringDefault(s, info) {
          var nextToken = info.tokens[info.tokenIndex + 1]

          // show keys of object literals and json in different color
          return (nextToken && nextToken.type === 'Punctuator' && nextToken.value === ':')
            ? colors.green(s)
            : colors.brightGreen(s)
        }
      }

_default: function(s, info) {
        var nextToken = info.tokens[info.tokenIndex + 1]

        // show keys of object literals and json in different color
        return (nextToken && nextToken.type === 'Punctuator' && nextToken.value === ':')
          ? colors.green(s)
          : colors.brightGreen(s)
      }
    }

_default: function(s, info) {
        var nextToken = info.tokens[info.tokenIndex + 1]

        // show keys of object literals and json in different color
        return (nextToken && nextToken.type === 'Punctuator' && nextToken.value === ':')
          ? colors.green(s)
          : colors.brightGreen(s)
      }
    }

_default: function(s, info) {
        var nextToken = info.tokens[info.tokenIndex + 1]

        // show keys of object literals and json in different color
        return (nextToken && nextToken.type === 'Punctuator' && nextToken.value === ':')
          ? colors.brightBlue(s)
          : colors.brightGreen(s)
      }
    }

_default: function(s, info) {
        var nextToken = info.tokens[info.tokenIndex + 1]

        // show keys of object literals and json in different color
        return (nextToken && nextToken.type === 'Punctuator' && nextToken.value === ':')
          ? colors.green(s)
          : colors.brightGreen(s)
      }
    }

function readFile(entry, cb) {
    fs.readFile(entry.fullPath, 'utf-8', function (err, res) {
        if (err) return console.error(err);
        cb(null, { fullPath: entry.fullPath, src: res });
    });
  }

  function validate(opts, cb) {
    validateRequires(opts.fullPath, opts.src, { redirect: redirect }, function (errors) {
      cb(null, errors);  
    });
  }

  var errors = []
    , notOk = colors.red('\u2639 ') 
    , ok = colors.brightGreen('\u00b7');

  readdirp({ root: root, fileFilter: '*.js', directoryFilter: directoryFilter })
    .on('error', function (err) { 
      cb(new Error('When reading ' + root + ':\n' + err.message));
    })
    .pipe(map(readFile))
    .pipe(map(validate))
    .on('data', function (data) {
      process.stdout.write(data.length ? notOk : ok);
      errors = errors.concat(data);
    })
    .on('end', function () { 
      cb(null, errors); 
    });

};

function formatAdd(key, value, diffopts) {
  return format('%s  %s: %s', colors.brightGreen('+'), key, diffValues({}, value, diffopts));
}

function reportWatchedFiles(watchers) {
  log.println('Watching ' + colors.brightGreen('[' + Object.keys(watchers).length + ' files]'));
}