ramp = [
makePattern(svg`<defs><pattern x="0" y="0" width="0" height="0" patternUnits="userSpaceOnUse">
</pattern></defs>`),
makePattern(svg`<defs><pattern x="0" y="0" width="1" height="4" patternUnits="userSpaceOnUse">
<line x1="0" y1="1" x2="1" y2="1" stroke="currentColor" stroke-width="1" />
</pattern></defs>`),
makePattern(svg`<defs><pattern x="0" y="0" width="1" height="4" patternUnits="userSpaceOnUse">
<line x1="0" y1="1" x2="1" y2="1" stroke="currentColor" stroke-width="2" />
</pattern></defs>`),
makePattern(svg`<defs><pattern x="0" y="0" width="1" height="4" patternUnits="userSpaceOnUse">
<line x1="0" y1="1" x2="1" y2="1" stroke="currentColor" stroke-width="4" />
</pattern></defs>`),
makePattern(svg`<defs><pattern x="0" y="0" width="4" height="4" patternUnits="userSpaceOnUse">
<rect fill="currentColor" width="4" height="4" />
</pattern></defs>`)
]