| Male color |  |  |  |  | |||
---|---|---|---|---|---|---|---|---|
Measure | red | red/orange | orange/yellow | yellow | β | t | p | r 2 |
r | 0.12 ± 0.01 | 0.12 ± 0.007 | 0.10 ± 0.006 | 0.11 ± 0.006 | 3.81 | 1.54 | 0.12 | 0.191 |
φ | 1.28 ± 0.08 | -1.39 ± 0.06 | -0.616 ± 0.73 | -1.01 ± 0.15 | 0.099 | 2.60 | 0.0098 | 0.216 |
θ | -0.48 ± 0.02 | 0.02 ± 0.06 | 0.15 ± 0.04 | 0.49 ± 0.10 | -0.59 | -4.60 | < 0.0001 | 0.236 |
chromatic contrast (jnds) | - | 11.0 ± 1.5 | 11.49 ± 0.9 | 15.6 ± 1.4 | -0.032 | -4.20 | < 0.0001 | 0.233 |
achromatic contrast (jnds) | - | 3.1 ± 0.7 | 3.6 ± 0.73 | 6.5 ± 1.1 | -0.055 | -3.21 | 0.0015 | 0.233 |
Hue (nm) | 575.9 ± 6.7 | 553.2 ± 1.8 | 548.8 ± 1.0 | 524.3 ± 6.4 | 0.011 | 4.50 | < 0.0001 | 0.244 |