Colour, as per a digital camera, is a function of:

1. Illuminating colour spectra
2. Pigment of the material under inspection (here the vaccine fluid)
3. Colour balance setting of the digital camera.

Out of these images, is is IMPOSSIBLE to determine no.2 with any meaningful probability.

Yes, I've done digital photo forensics and know colour science.

In summary: could be, could not be. Hard to know. We need more data.