Nodes/ComfyUI-AlchemicaSampler/⚗ Alchemica · Black and white (darkroom filters) [1.0, use Alchemica Black and White (darkroom filters)]
ComfyUI Node
⚗ Alchemica · Black and white (darkroom filters) [1.0, use Alchemica Black and White (darkroom filters)]
Black and white as in the darkroom (channel filter + contrast + toning + grain). Instant, no AI.
⚗ Alchemica · Black and white (darkroom filters) [1.0, use Alchemica Black and White (darkroom filters)]
- immagine
- maschera
- immagine
◄filtrofiltro arancio (ritratto)►
◄viraggiobianco e nero►
◄contrasto1.15►
◄luminosita0.00►
◄grana0.000►
◄inverti_mascherafalse►
Category⚗ AlchemicaMente/legacy (1.0)
Inputs (8)
| Name | Type | Default | Description |
|---|---|---|---|
| immagine | IMAGE | — | |
| filtro | COMBO | filtro arancio (ritratto) | Which colours become light: as the coloured filters used with b/w film. Red/orange = lighter, smoother skin; green = darker, more textured skin; blue = dramatic |
| viraggio | COMBO | bianco e nero | Pure grey, or a toned print (sepia, selenium, platinum) |
| contrasto | FLOAT | 1.150.5–2.5 | S-curve around the mid-grey: 1 = as it is, 1.2-1.4 = punchy b/w |
| luminosita | FLOAT | 0.00-0.5–0.5 | — |
| grana | FLOAT | 0.0000–0.15 | Film grain (0.02-0.04 = like a 400 ISO film). 0 = none |
| mascheraopt | MASK | Optional: b/w only in the painted zone (or everywhere ELSE with 'inverti': colour splash, the subject stays in colour) | |
| inverti_mascheraopt | BOOLEAN | false | — |
Outputs (1)
| Name | Type | Description |
|---|---|---|
| immagine | IMAGE | — |