Grass Green C&B lime on top, Uline lime to the left, and my Spring Green MT on the bot. right. The pic taken inside so it shows darker but still shows the lime shade differences.
2 Spring Green vs uline sj
Based on my pics, it shows a shade lighter than the uline. Your pic shows about the same shade difference. I would say it is a Spring Green. Only other Spring Green Kettle I know of is Euro spec Gen1 Master Touch.