How To Fill An Svg With Color. See this video. Avoiding a gap between the black edge and the solid colors when using iron-o.
First lets target the image with a CSS rule and invert the color from black to white. Let me know if you need more details once you decide how you want to procede. Once the color of the parent div changes color of all related properties and text elements changes as well.
See the Pen fill property by CSS-Tricks css-tricks on CodePen.
If you want to fill them create your color palette first in Swatches then make a Live Paint Group. You can then click in each region to fill it and use the arrow keys to change colors. A common use case for fill is changing the color of an SVG on hover much like we do with color when styling link hoversicon fill. The first control will be a drop down to select the colour.