Mocking up contrast test

code.js

function calculateLuminance(color) {
  //just return 1 for now
  return 1
}

function calculateContrast(foreground, background) {
  console.log(foreground, background)
  const foregroundLuminance = calculateLuminance(foreground)
  const backgroundLuminance = calculateLuminance(background)
  return foregroundLuminance / backgroundLuminance
}