Actually this common across many brands, especially that offer sunburst dials… Just depends on the photography. That’s regardless of type of dial actually. Photography/ colour grading of their images.

There’s a whole video dedicated to Omega Aqua Terras on YouTube by WatchAdvisor who goes over this exact issue when showcasing colours of watches.

Not to say that there may be genuine cases of these discrepancies from what we’re shown and then what we get.