Wrong colors in fuel milage graph when imperial calculation is disabled

[kgraefe]

Checklist Please make sure you have performed the following steps before opening a new bug ticket, change [ ] to [x] to mark it as done

• [x] I have read and tried the steps outlined in the Troubleshooting Guide
• [x] I have searched through existing issues.

Description

In non-imperial mode (L/100km; how do you call it?) lower numbers on fuel consumption are better. Hence their columns should be green and higher columns should be red.

Platform

• [x] Docker Image
• [ ] Windows Standalone Executable

Screenshots(optional)

[hargata]

Next release:

when using l/100km:

when using km/l or mpg