const hexs = [
  'FF9393', '007889', '30CE94', '4990E2', '4A4A4A', '9B9B9B', 'F6A623'
]

function getHex(name) {
  return name.length % hexs.length
}

getHex('Max Weidell') // => 4
getHex('Brandon Fujii')  // => 6