AIM: To compare the sex related difference in color matching of various shades of red and blue colors.

OBJECTIVES: To evaluate the number of correct answers while matching various shades of red and blue colors.

METHOD: The study was carried out in bright sunlight between 12.00–3.00 pm.100 volunteers (50 males & 50 females) participated in this study. There were 2 color charts, each containing 20 shades of red and blue colors and 40 color strips of different shades of red and blue colors, and they were numbered with secret code numbers. Then Volunteers were asked to match the color strip with color chart provided to them. Total number of correct answers was evaluated using secret code number.

RESULT: There is statistically significant difference in the correct answers of red and blue color shades between male and female groups.

CONCLUSION: In the present study, female subjects showed statistically significant difference in matching colors in comparison to their male counterparts.