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Luma Key

Manual for Hex Composer v0.18.0. This is an archived snapshot. Corrections can be suggested on the current version of this page.

Pulls an alpha matte from brightness: everything above the threshold keys out.

Parameter Control Range Notes
Threshold Trough 0 to 1
Softness Trough 0 to 0.5 Feathers the matte’s edge.

Outputs an alpha-only matte, not a recolored image.

Related: Insert FX Chains.