Which one of these spoons is red in colour?

This article discusses a grayscale illusion that challenges viewers to identify a red spoon hidden among shades of grey. Engaging with such puzzles hones observation skills and aids in addressing color blindness. TikTok users debated the correct answer, with some speculating it was spoon no. 3. The red spoon appears blacker in grayscale due to the faster travel of red light. Can you solve this puzzle in under 10 seconds?