camera image color is inconsistent

[touretzkyds]

Here are camera images taken from three robots on the same desktop, same lighting conditions (overhead fluorescent), just a few minutes apart. All robots were updated to the latest microcode (1.0.3).

First, here is the image from robot AIM-5A888218. This was one of the first production robots, received in December 2024:

Next, here is the image from robot AIM-BA8D7D18, received just two weeks ago, in December 2025, as part of a six-robot classroom pack:

Finally, here is the image from robot AIM-627D8818, which was part of the same classroom pack as the previous robot:

There is marked variation in color across these images. This is going to make image processing more challenging than it should be. Can anything be done to make the camera behavior more uniform across robots?