Slight stain: what light survives

Slight stain: the light that survives here peaks at 580 nm, Secchi depth about 2.5 m. Which lure colour stands out, computed rather than charted.

Light that survives best here: 580 nm

Secchi ≈ 2.5 m

What this water lets through

1 m 3 m 10 m 400450500550600650700
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.
λ Kd c 1 m 5 m
400 nm 6.546 8.128 0.1% 0.00%
430 nm 4.146 5.910 1.6% 0.00%
460 nm 2.652 4.487 7.0% 0.00%
490 nm 1.682 3.529 18.6% 0.02%
520 nm 1.104 2.922 33.1% 0.40%
550 nm 0.770 2.535 46.3% 2.13%
580 nm 0.603 2.300 54.7% 4.91%
610 nm 0.704 2.293 49.5% 2.97%
640 nm 0.694 2.205 49.9% 3.10%
670 nm 0.808 2.226 44.6% 1.76%
700 nm 0.930 2.262 39.4% 0.95%

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 Largemouth bass in these conditions.

Colour Contrast Seen from Fish view
1 White
97
2.8 m Buy now
2 Chartreuse / white Fluorescent finish
96
2.8 m Buy now
3 Glow Glow finish — not modelled
95
2.7 m Buy now
4 Chartreuse Fluorescent finish
94
2.7 m Buy now
5 Bone
94
2.7 m Buy now
6 Silver holographic Metallic finish
92
2.7 m Buy now
7 Pink / white Fluorescent finish
90
2.8 m Buy now
8 Clown
90
2.8 m Buy now
Stands out least
Black / blue
19
1.3 m
Junebug
18
1.1 m
Black
18
1.0 m
Purple / black
16
1.0 m

Contrast quoted at 1.0 m viewing distance. · Light that survives best here: 580 nm

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Target species

Largemouth bass Micropterus salmoides Smallmouth bass Micropterus dolomieu Bluegill Lepomis macrochirus Brown trout Salmo trutta Rainbow trout Oncorhynchus mykiss Atlantic salmon Salmo salar Northern pike Esox lucius Muskellunge Esox masquinongy Walleye Sander vitreus Zander Sander lucioperca European perch Perca fluviatilis Yellow perch Perca flavescens Common carp Cyprinus carpio Roach Rutilus rutilus Barbel Barbus barbus

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