ComfyUI Node
⚗ 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)
- image
- mask
- image
◄filterorange (portrait)►
◄toningblack and white►
◄contrast1.15►
◄brightness0.00►
◄grain0.000►
◄invert_maskfalse►
Category⚗ AlchemicaMente/image
Inputs (8)
| Name | Type | Default | Description |
|---|---|---|---|
| image | IMAGE | — | |
| filter | COMBO | orange (portrait) | 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 |
| toning | COMBO | black and white | Pure grey, or a toned print (sepia, selenium, platinum) |
| contrast | FLOAT | 1.150.5–2.5 | S-curve around the mid-grey: 1 = as it is, 1.2-1.4 = punchy b/w |
| brightness | FLOAT | 0.00-0.5–0.5 | — |
| grain | FLOAT | 0.0000–0.15 | Film grain (0.02-0.04 = like a 400 ISO film). 0 = none |
| maskopt | MASK | Optional: b/w only in the painted zone (or everywhere ELSE with 'inverti': colour splash, the subject stays in colour) | |
| invert_maskopt | BOOLEAN | false | — |
Outputs (1)
| Name | Type | Description |
|---|---|---|
| image | IMAGE | — |