There's no single answer to what color females are attracted to, as attraction is complex and varies greatly between individuals. However, research suggests that the color red plays a significant role in enhancing attraction.
The Significance of Red
Multiple studies indicate that the color red increases a woman's perception of men's attractiveness. A study published by the American Psychological Association https://www.apa.org/news/press/releases/2010/08/red-attraction found that women rated men as more appealing when they were pictured wearing red or framed in red, compared to other colors. This effect parallels observations in nonhuman primates, where red enhances males' attraction to females https://pubmed.ncbi.nlm.nih.gov/18954199/. Furthermore, red is often associated with romance and desire, as noted on Quora https://www.quora.com/Wearing-what-colors-can-attract-women. Warm colors in general, including red, orange, and yellow, can evoke feelings of hunger or desire.
Beyond Red: Individual Preferences
While red may have a general effect, individual preferences significantly influence color attraction. Hair color, eye color, and personal tastes all contribute to what a specific person finds appealing. For example, one Quora user states attraction to men who look like them—blond with blue eyes—without negating the attractiveness of others https://www.quora.com/Which-eye-colour-are-girls-more-attracted-to. Another source points out that attraction is about much more than superficial aspects like color preference, emphasizing personality and self-confidence https://markmanson.net/attract-women.
Conclusion
In summary, while red appears to have a scientifically documented effect on enhancing attraction, individual preferences are far more important. Ultimately, color preference in attraction is subjective and varies significantly.