Ship, Cloud, Mountain and the Water=Same color?

I took this photo when we went to Ocean Park in Manila.
That was my first time to go there and it's really unforgettable.
I enjoyed everything, the aquariums, fishes, mammals, and many more.
While taking a rest and looking for something to buy as a souvenir, I noticed this one below!

It was also my first time to see a big ship in real life and when I got to check it, I've noticed something.
Why the ship, cloud, mountain and the water of the ocean have the same color?
We commonly see the cloud as blue color but what a timing to picture the ship with the same color of it's background.:)

photo is mine

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