Sylvester Stallone eye color
Sylvester Stallone has naturally dark brown eyes (source, source). However, there have been instances in his career where he has worn colored contact lenses for specific roles. A notable example is his appearance in the 1995 film "Judge Dredd," where he wore blue contact lenses to match the appearance of another character in the film (source).
Physical Characteristics
Stallone's dark brown eyes complement his other physical features, including his dark brown hair (source). This is part of his distinctive appearance that has become well-known throughout his decades-long career in Hollywood, where he has established himself as an iconic action movie star (source).
Role-Specific Appearances
While his natural eye color is dark brown, Stallone has demonstrated versatility in his appearance for different roles. The use of colored contacts in "Judge Dredd" shows how he has modified his appearance when required for character authenticity (source). This practice of using colored contacts is not uncommon in Hollywood, where actors sometimes alter their eye color to match specific character requirements or to create visual connections between characters in a story.