Tortoise eye red

Quick answer：

The term 'Tortoise eye red' could refer to a red coloration found in tortoise shell patterns or it might be a metaphorical description. In tortoise shell, the 'tortoise eye' refers to the dark, concentric circles within the shell, which can appear red or brown. If used metaphorically, it could describe something that has a vibrant red color resembling the pattern in a tortoise shell.