How Red Mesh Bags Make Oranges Look More Orange

2025-04-13

The author noticed that red mesh bags used for oranges in grocery stores seem to make the oranges appear more vibrant. To investigate, 11 photos of oranges were taken, both with and without the mesh bag, and average pixel values were calculated. Results showed the average pixel color was browner than perceived by eye, but the red mesh clearly added warmth, notably in the green channel. This suggests human color perception is more nuanced than simple pixel averaging, prompting a call for a human-perception-based experiment to confirm the red mesh's effect.

Read more