The effect of the simile "Like a leopard's tawny and spotted hide" is to vividly compare and describe the appearance of something, suggesting that it has a similar pattern or coloration to that of a leopard's skin. This simile creates a vivid mental image for the reader, allowing them to connect the characteristics of a leopard to the subject being described. It also adds a sense of beauty, uniqueness, and perhaps wildness to the thing being compared.
