8.30. Color to Gray
| 8. The “Colors” Menu |

### 8.30. Color to Gray

This color to grayscale conversion uses envelopes formed with the so-called STRESS approach to perform local-difference preserving grayscale generation.

#### 8.30.1. Activate the command

- You can access this command from the main menu through Colors → Desaturate → Color to Gray.

#### 8.30.2. Options

Figure 16.208. “Color to Gray” settings

Presets

  “Presets” are a common feature for several Colors commands. You can find its description in Section 8.1.1, “Colors Common Features”.

Radius

  Neighborhood taken into account, this is the radius in pixels taken into account when deciding which colors map to which gray values.

Samples

  Number of samples to do per iteration looking for the range of colors.

Iterations

  Number of iterations, a higher number of iterations provides less noisy results at a computational cost.

Enhance Shadows

  When enabled details in shadows are boosted at the expense of noise.

Blending Options, Preview and Split view

  These are common features described in Section 8.1.1, “Colors Common Features”.

8.29. The “Desaturate” Submenu |  | 8.31. Desaturate

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