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Make sure Preserve Luminance is selected, as you won’t get as favorable results otherwise. This gives us single sliders for the red, green and blue channels.
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There’s a little drop-down menu where Monochrome can be selected. Monochrome mode can be accessed by clicking in the RGB Mixer tab while in the Color Page. This preserves the color information underneath and allows us to perform fast moves that give us interesting creative effects. The second way to work is to use Resolve’s Monochrome mode, which emulates the Black and White adjustment layer used in Photoshop. In the node tree below, the process containing the move to desaturate is last, allowing me to pull keys on the girl’s skin and dress with ease. In this way, we can still pull keys on parts of the image (like the skin) that we would be paying attention to during a session using color images. The first is to create a node at the end of our tree with the saturation set to zero, and then create additional corrections that occur before this node. Using DaVinci Resolve, there are two better ways to work. We want to remove the color in a way that still gives us full control of the image. While losing all the saturation in a color image is the intended effect, setting saturation to zero at the beginning of the workflow ties our hands since we’re unable to use the color information for later processing. Learn the nuances of rendering black and white in DaVinci Resolve.
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There’s more to monochrome than dragging the saturation down to zero.
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