"Red compound" can have many antonyms depending on the context. For example, in terms of color, antonyms for "red" include colors like blue, green, yellow, and purple. In terms of decision making, antonyms for "compound" could be simple or straightforward. In chemistry, a red compound could be an oxidizing agent, so its antonym would be a reducing agent. Additionally, in economics, a red compound could represent debt or a loss, so its antonym would be profit or gain. Overall, the antonyms for "red compound" vary depending on the particular use of the phrase, and it is essential to consider the context carefully to identify those antonyms accurately.