https://user-images.githubusercontent.com/84078980/122886865-02530280-d349-11eb-9628-c5974b8a1aa7.png
the textures don't have much effort put into and don't fit with other building blocks.

Having a smaller color palette doesn't mean they "don't have much effort put into them." The texture is changing in 1.17 anyway to match amethyst.