Darker Images in Inpainting feature

Here are the samples. The prompt that I have been constantly using is ‘Reconstruct the missing vase of an 18th-century Mughal-style fresco. Restore the broken side of the ornamental design to seamlessly match with the original while preserving the aged, cracked texture and authentic style of the fresco.’

You can see the progression in the image getting darker and unsaturated from the attached image.