app/assets/javascripts/map/views/maptypes/basemapStyles.js
/**
* Basemaps styles
*/
define([], function() {
'use strict';
var styles = {
dark: '#242426',
grayscale: '#BCE1FF',
terrain: '#BCE1FF',
satellite: '#2B3872',
positron: '#CED2D4',
hybrid: '#2B3872',
treeheight: '#BEDEE7',
landsat: '#2B3872'
};
return styles;
});