Same hue...different lightness....
Here's a set that starts out closer to the sun color at the time...
So, it can’t be the burn of the rocket because it doesn’t match the clouds and the contrail doesn’t match the clouds because some of the clouds are different from the ones that match the ... wut?
It does match the thinner clouds in the photo.
Here's a set that starts out closer to the sun color at the time...