The image shared by Nowherelse.fr appears to show the back panels in yellow, green and red. The parts include the iPhone brand, Apple's logo, and space for a camera lens, LED flash, and rear-facing microphone.
Aside from being made of plastic and offering new colors, the parts appear to have a similar form factor to the current iPhone 5, including a taller display than previous models. That fits in with rumors that the so-called "iPhone Lite" will stick with the same 4-inch display as the iPhone 5.
The design also matches up with leaked schematics provided to AppleInsider that claim to reveal the design of Apple's low-cost iPhone. The device is expected to have rounded corners and a design slightly thicker than the iPhone 5.
The red and yellow colors pictured would correspond with current color options for the iPod touch, though Apple does not offer a green model at the moment. Apple does offer green variants of the iPod nano and iPod shuffle, however.
Other possible color options were detailed in a report in May that claimed the new low-end iPhone will come in navy, gold, orange, white, and gray.