References
- http://catless.ncl.ac.uk/Lindsay/swatch0.html
- http://www.lynda.com/resources/hexpalette/hue.html
- https://github.com/xav/Grapefruit
- http://www.mcfedries.com/books/cightml/x11color.htm
- http://www.mrao.cam.ac.uk/~dag/CUBEHELIX/
- https://github.com/Ghosh/uiGradients
Attribution
This library incorporates gradients.json
from uiGradients.