svg

<headless-qr
   url="hello headless qr"
   color="#717171"
   background="#ffffff"
   size="250px"
   output="svg"
></headless-qr>

html

<headless-qr
   url="hello headless qr"
   color="#213f5c"
   size="250px"
   output="html"
></headless-qr>