Generates a gradient of the colors of the rainbow.

• npm install rainbow-gradient --save or
• yarn add rainbow-gradient

import rainbowGradient from 'rainbow-gradient';

// Creates an array with three colors:
rainbowGradient(3);

// Creates an array with 10 colors, darkened and washed out:
rainbowGradient(10, 0.5, 0.25);

• length

  The number of colors in the resulting gradient array.

• saturation

  The saturation of the colors. 0 represents grayscale. 1 represents full color. Default: 1.

• lightness

  The lightness of the colors. 0 represents black. 1 represents white. Default: 0.5.

The function returns an array of colors based on the parameters. Each color is an array of red, green, and blue values from 0 to 255.

Example:

rainbowGradient(3) returns:

[
  [ 255, 0, 0 ],
  [ 0, 255, 0 ],
  [ 0, 0, 255 ]
]