The font creates the shapes, not the colors. To color your chart:
FF Chartwell is commercial software. A standard desktop license typically costs $99 to $199+ depending on the number of users. FontFont is a premium foundry; they do not offer "personal free" tiers for this font. Ff Chartwell Font Family Free Download
If you work on the web, Observable Plot is free. While it isn't a font file (OTF/TTF), it accomplishes the same goal: turning data numbers into beautiful, interactive charts without drawing tools. The font creates the shapes , not the colors