The camouflage designers probably took in what its main mission may be into consideration - possibly seagoing with a mixed littoral environment where the backdrop of the land from seaward would fit better. Just my guess.
I remember seeing a late 1930s photograph taken in the south-east Asian region of two British destroyers, and one was camouflaged while the other was haze grey. The camouflaged one was distinctive and stood out.
But it didn’t matter later, as the Japanese Imperial Navy destroyed both when seizing Indochina.
I was a unique teenage girl, in that I had joined the Military Book Club at 13-yrs old. Somewhere, in my library, is the late 1950 - early 1960 published book with that photograph.
I think you are right Gaffer. Isn’t that bow built for land assault?