Display current time with the hex color format in the background

hex_clock.lua

function hex_time()
  time = os.date("*t", os.time())
  return {time.hour, time.min, time.sec}
end

function hex2dec(n)
  return tonumber("0x"..n)
end

function hex2love(t)
  return {
    hex2dec(t[1])/255,
    hex2dec(t[2])/255,
    hex2dec(t[3])/255
  }
end

function love.load()
  hex_str = ""
  love.window.setMode(512,512)
end

function love.update(dt)
  time = hex_time()
  hex_str = "#"..tostring(time[1])..tostring(time[2])..tostring(time[3])
  back = hex2love(time)
  love.graphics.setBackgroundColor(back[1],back[2],back[3])
end

function love.draw()
  love.graphics.print(hex_str, 512/2-20, 512/2)
end