Motion
Get Motion

ReferenceEffectsColour

Threshold

Only two colours: below and above a brightness.

Kind
Effect · Colour
Script name
threshold

Settings

SettingKindStarts atRange and notes
Levellevelnumber50%0% to 100%
Softnesssoftnessnumber2%0% to 50%
Belowdarkcolour and alpha#000000ff–
Abovelightcolour and alpha#ffffffff–
What every effect has

Every effect in a stack can be turned off, has an Amount and can be limited to part of the layer with a mask. They're listed on the effects page, and Effects and masks shows how to use them.