Adult 1 Beauty 1 Color 1 Color Perception 1 Female 1 Heterosexuality 1 Humans 1 Male 1 Sexual Behavior 1 Social Perception 1 adult 1 article 1 attraction 1 color 1 color vision 1 effect size 1 esthetics 1 female 1 gender 1 heterosexuality 1 human 1 human experiment 1 male 1 mate choice 1 mate selection 1 meta analysis 1 perception 1 physiology 1 red sexual behavior 1