User Manual

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Audience Expectations
There is another family of tools, the HSL, RGB, and Luma Qualifiers, that provide even more
specific control, and they’re useful for adjusting ranges of color to either play into or against the
audience expectations for color in a scene. Substantial research into what has been termed
“memory color” shows that people have finely tuned expectations for the hues of particular
subjects, such as flesh tone, foliage greens, and sky blues. Deviation from these expectations
can create a sense of something being not quite right, which can be either detrimental or
beneficial, depending on your goals for a particular scene.
HSL Qualification is effectively a chroma keyer that lets you sample the image to create a key
that’s used to define where to apply a specific correction. For example, if you’re happy with the
rest of the image, but the skin tone of the actor has an unhealthy green tinge to it as a result,
you can isolate the color of that actor’s skin and adjust it to a healthier hue.
Source Image
HSL qualification on the skin
Skin now has warmer grade
Another common example is the adjustment of skies. If you’re aiming for a gorgeous
summer day, a washed out sky in the source media can be a bit of a bummer. However,
using qualification it’s easy to isolate that wedge of blue, then push and pull it into just
the right amount of summertime joy.
Chapter – 112 Introduction to Color Grading 2550