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effectcraft/docs
vangel76andClaude Opus 5.5 75271bfe6c Luma Key and Extract: Rec. 601 luminance, as After Effects
After Effects 2026 keys Luma Key and Extract (Channel Luminance) on Rec. 601
weights of the working-space values: Key Out Darker / Extract Black Point at
65, 166 and 24 on pure red, green and blue keep red (601: 76, 709: 54) and
blue (29 / 18) and key out green (150 / 182) - Rec. 709, which EffectCraft
used, decides all three the other way. Case 904 E18 (Extract 30 / 220 /
softness 10 on grey and colour steps): 513 of 5184 grid points off (pure blue
kept at 231 in AE, keyed out in EC), now 0, max 0. CPU and GPU.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-19 16:16:01 +02:00
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