ComfyUI Node
SI Shadows & Highlights
Image-space tonal sculptor & photometric preconditioning stage. Features Hermite C^1 smoothstep tonal isolation (zero midtone bleed), bounded sigmoidal S-curve contrast, and photographic color vibrance before VAE encoding.
SI Shadows & Highlights
- image
- IMAGE
◄shadow_amount0.00►
◄highlight_amount0.00►
◄shadow_tonal_width0.50►
◄highlight_tonal_width0.50►
◄midtone_contrast1.00►
◄color_vibrance1.00►
CategoryStudioLight/Photometric
Inputs (7)
| Name | Type | Default | Description |
|---|---|---|---|
| image | IMAGE | — | |
| shadow_amount | FLOAT | 0.00-1–2 | — |
| highlight_amount | FLOAT | 0.00-1–2 | — |
| shadow_tonal_width | FLOAT | 0.500.1–2 | — |
| highlight_tonal_width | FLOAT | 0.500.1–2 | — |
| midtone_contrast | FLOAT | 1.000.2–3 | — |
| color_vibranceopt | FLOAT | 1.000–2 | Photographic vibrance boost. Lifts subtle colors (lipstick, skin undertones, eyes, fabric) while protecting saturated regions from clipping. |
Outputs (1)
| Name | Type | Description |
|---|---|---|
| IMAGE | IMAGE | — |