Oceanic III: what light survives
Oceanic III: the light that survives here peaks at 500 nm, Secchi depth about 9.0 m. Which lure colour stands out, computed rather than charted.
Light that survives best here: 500 nm
Secchi ≈ 9.0 m
What this water lets through
| λ | Kd | c | 1 m | 5 m |
|---|---|---|---|---|
| 400 nm | 0.179 | 0.929 | 83.6% | 40.86% |
| 430 nm | 0.164 | 0.861 | 84.9% | 44.12% |
| 460 nm | 0.151 | 0.802 | 86.0% | 47.00% |
| 490 nm | 0.142 | 0.753 | 86.7% | 49.13% |
| 520 nm | 0.149 | 0.721 | 86.1% | 47.44% |
| 550 nm | 0.169 | 0.703 | 84.5% | 42.96% |
| 580 nm | 0.212 | 0.708 | 80.9% | 34.65% |
| 610 nm | 0.375 | 0.818 | 68.8% | 15.37% |
| 640 nm | 0.449 | 0.857 | 63.8% | 10.60% |
| 670 nm | 0.564 | 0.932 | 56.9% | 5.96% |
| 700 nm | 0.780 | 1.096 | 45.8% | 2.02% |
K_d is the diffuse attenuation of the light coming down; c is the beam attenuation along the line of sight. Confusing the two is the classic error in this field. Method and sources
Lure table
Ranked by how much each colour stands out to a European seabass in these conditions.
| Colour | Contrast | Seen from | Fish view | ||
|---|---|---|---|---|---|
| 1 | White | 98 | 7.9 m | Buy now | |
| 2 | Glow Glow finish — not modelled | 95 | 7.8 m | Buy now | |
| 3 | Sexy shad | 94 | 7.8 m | Buy now | |
| 4 | Silver holographic Metallic finish | 94 | 7.7 m | Buy now | |
| 5 | Bone | 93 | 7.6 m | Buy now | |
| 6 | Chartreuse / white Fluorescent finish | 92 | 7.9 m | Buy now | |
| 7 | Chrome Metallic finish | 91 | 7.4 m | Buy now | |
| 8 | Blue / white | 88 | 7.9 m | Buy now | |
| Stands out least | |||||
| Green pumpkin | 35 | 3.2 m | |||
| Olive | 34 | 3.1 m | |||
| Brown / orange | 32 | 3.4 m | |||
| Brown | 26 | 2.6 m | |||
Contrast quoted at 1.0 m viewing distance. · Light that survives best here: 500 nm
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Target species
Gear this page implies
- A Secchi disc See on Amazon
Lower it until it disappears and read the depth. That single number tells you which water type above is yours — it is the one optical measurement anybody can take.
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