Here's Yuzu's body and color reference! Things to note:

Left eye is solid black, white eye is solid white.

Skin color applies to areas around his ears, nose, feet, muzzle and around his eyes.

The fur on the back of his head is warm brown, the outer hair is more grey.

Not pictured: His tongue is white. In anthro form, his legs are white furred, feet are fleshy.