This is a paid asset, but now you can download Palette Modifier – Texture Color Editor for Low Poly Models Free
Detail this asset from Unity Asset Store: Original Link
Palette Modifier – Texture Color Editor for Low Poly Models v1.0.0
Palette Modifier is an editor extension that allows you to modify, directly inside Unity the colors of a texture atlas used by Low Poly models.
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NEW! UV Inspector.
– Per object colors.
– Color highlight.
– Break color sharing.
– Color gradient.
– Texture pattern tint.
– Per object texture save.
– Save modified texture as new texture.
– Non destructive workflow.
– Color groups.
– Reset single color to its original value.
– Reset palette colors to their original values.
– Reorderable list of colors.
– Foldable list of colors.
Per Object Colors
Palette Modifier displays in the inspector only the texture colors that are used by the selected object.
The color selected in the inspector is highlighted. This makes it easy for you to know where this particular color is used on the object.
Break Color Sharing
Palete Modifier creates a copy of the objects mesh. Moves the UVs of the copy to a region of the texture that is unused by other models then saves the new mesh to HDD. The original mesh remains unchanged.
A color gradient can be applied to a range of colors.
Texture Pattern Tint
Palette Modifier allows you to apply a color tint to segments of the texture atlas that have texture patterns on them.
Per Object Texture Save
The ability to save only the color changes for only a single object.
IMPORTANT – Any unsaved texture changes will be lost when closing the Unity project.
Third party assets used in the promo materials:
POLYGON – Knights Pack
POLYGON – Western Pack