betodealmeida commented on a change in pull request #4800: Improve the calendar
heatmap
URL:
https://github.com/apache/incubator-superset/pull/4800#discussion_r180899636
##########
File path: superset/assets/javascripts/modules/colors.js
##########
@@ -122,6 +122,42 @@ export const spectrums = {
'#FAFAFA',
'#666666',
],
+ greens: [
+ '#ffffcc',
+ '#78c679',
+ '#006837',
+ ],
+ purples: [
+ '#f2f0f7',
+ '#9e9ac8',
+ '#54278f',
+ ],
+ oranges: [
+ '#fef0d9',
+ '#fc8d59',
+ '#b30000',
+ ],
+ red_yellow_blue: [
+ '#d7191c',
+ '#fdae61',
+ '#ffffbf',
+ '#abd9e9',
+ '#2c7bb6',
+ ],
+ brown_white_green: [
+ '#a6611a',
+ '#dfc27d',
+ '#f5f5f5',
+ '#80cdc1',
+ '#018571',
+ ],
+ purple_white_green: [
Review comment:
I've seen some functions in Python (matplotlib perhaps?) where you can
interpolate between colors. It would be cool to have something similar here, if
it exists in Javascript (something [like
this](https://www.npmjs.com/package/color-interpolate)). Imagine:
```javascript
const brown = '#a6611a';
const white = '#f5f5f5';
const green = '#018571';
...
const brown_white_green: interpolate([brown, white, green], 5),
...
```
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