DepthFade
Choose a lure colour and move through the water column to see how its visual signal changes.
Light is progressively removed as it travels through water. In relatively clear water, longer red wavelengths commonly attenuate faster than blue-green wavelengths.
Tannins, algae and suspended sediment alter colour transmission and scatter, so no one loss curve applies to every waterbody.
Low available light compresses hue and reflective flash, which can shift the useful signal toward contrast and silhouette.
This is an educational spectral-visibility approximation. It compares relative red, green and blue attenuation, ambient water colour, turbidity, depth and available light. It is not a direct measurement of a specific waterbody and does not claim to reproduce what any fish species sees.