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The hue of shapes
Liliana Albertazzi1, Osvaldo Da Pos, Luisa Canal
1Center for Mind/Brain Sciences, University of Trento, Trento, Italy. liliana.albertazzi@unitn.it
Summary
People naturally associate specific colors with basic geometric shapes. Triangles were linked to yellow, while circles and squares were associated with red, indicating non-random shape-color connections.
Area of Science:
- Cognitive Psychology
- Color Science
- Experimental Psychology
Background:
- The relationship between basic geometric shapes and color perception is not well-understood.
- Investigating innate or learned associations between visual elements is crucial for understanding human perception.
Purpose of the Study:
- To experimentally investigate the naturally biased associations between basic geometric shapes and colors.
- To identify systematic patterns in shape-color relationships based on participant perception.
Main Methods:
- Participants were presented with basic geometric shapes (e.g., triangle, circle, square, parallelogram, pyramid).
- They selected the most closely related color from the Natural Color System Hue Circle for each shape.
- Correspondence analysis was used to analyze the shape-color association data.
Main Results:
- Shape-color associations were systematic and not random.
- The strongest associations were found between triangles and yellow hues, and between circles/squares and red hues.
- Parallelograms were infrequently associated with yellow, and pyramids with red.
Conclusions:
- Human perception demonstrates a natural bias in associating specific colors with geometric shapes.
- These associations are influenced by color properties such as warmth and natural lightness.
- Findings contribute to understanding cross-modal correspondences in visual perception.
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