This video shows a precise method of color matching specific objects within a photo using RGB values and curves:
https://youtu.be/zV6peLaJ0tY
Is there an equivalent method in Pixelmator Pro?
Color Match Specific Objects in Photo
2022-08-12 17:56:40
The PS method might be "more" accurate but "Replace Color" in Pixelmator Pro is just 2 clicks: