The colors give a terrible impression. How can a red report be "good" ?
Why do you think colors are terrible?
But you can see such colors in every country, for example traffic lights have like these one.
And what colors are good for you?
Actually I agree with xtraelv, red was never been used in any kind of Good situation IMO. As you know, color red was always used in some bad situation or condition just for example is in our devices battery percentage indicator. When the status of battery is good it is in green color and turns red when it's in critical condition. Same as in danger zones, red was used as a sign. Now my question is why do you chose Red as the color of the "Good report Badge"? You can use green instead.
I prefer using these color arrangements.
5000 good report 
1000 good report 
300 good report