Kamal-Aldin Behzad is one of the most renowned painters of the Timurid era and the early Safavid period. His unique use of colors can be identified as one of the distinct features of his artworks. The painting of the Khornaq Palace is among Behzad famous works, notable for its psychological implications due to the colors employed. Psychology involves the study of human behavior in relation to measurable effects. Color plays a significant role in the creation of artistic works. Loescher theory is a psychological test employed to understand individuals' psychological states based on their color preferences. This theory includes eight color cards divided into primary and secondary groups: blue, green, yellow, red, purple, brown, black, and gray. The cards are numbered from 7 to 0. Participants are asked to randomly select the present cards in two separate stages. The eight color cards create four pairs of colors, categorized as positive, negative, equal, and cross. This study examines the Khornaq Palace painting through the lens of the aforementioned theory, focusing on the figures depicted. According to the findings, a total of 54 colors, based on Loescher  theory, are utilized in the figures' attire. The results indicated that blue was used 19 times and green 14 times, representing the most prevalent colors in this imagery. Three groups of color pairs—plus, cross, and equal—were used for the studied attire. In this image, apart from the negative and yellow, there is no information from the group of color pairs. Findings of this research reveal that the combination of blue and green in the first pair signifies courage and perseverance in Behzad psychological, alongside emotional traits such as situational awareness, tranquility, and showcasing his abilities.