If referring to the physical state of something:
* Fresh: This implies something is new and unburnt.
* Raw: This implies something has not been cooked or burnt.
* Unburnt: This is a direct opposite of charred, indicating no burning has occurred.
If referring to the degree of burning:
* Lightly browned: This indicates a very minimal level of burning, less than charred.
* Scorched: This implies a greater degree of burning than charred, but not completely destroyed.
* Intact: This means something is completely unburned and unharmed.
If referring to the appearance:
* Shiny: This implies something is smooth and reflects light, unlike charred surfaces.
* Clean: This implies something is free of dirt and debris, which charred surfaces often have.
* Polished: This means something has a smooth and glossy appearance, contrasting with the rough texture of charred surfaces.
Ultimately, the best antonym for "charred" will depend on the specific context in which the word is used.