That's a gray area.

Meaning

The situation is ethically ambiguous or unclear.

Examples

• John: The legal implications of this are unclear. <b>That's a gray area</b>.
• Alice: So, we need further legal counsel?
• John: Definitely. We need to get a clear understanding. <b>That's a gray area</b> at the moment and risks are too high.
• Alice: Let's consult with our legal team immediately.