equivalent to the suface depicted as the riemann sphere. hue is the argument. lightness the absolute value. 100% saturation; gray is NaN.
> solidparakeet( 0, 1 ) // i
'hsla(90, 100%, 50%, 1)' // "lime"
<script src="solid-parakeet.js"></script>
<script>
solidparakeet( 0, 1 )
</script>
npm install --save solid-parakeet
var solidparakeet = require( 'solid-parakeet' )
<script src="require.js"></script>
<script>
requirejs( ['solid-parakeet'], function ( solidparakeet ) {
document.body.style.backgroundColor = solidparakeet( 0, 1 )
} )
</script>