Primary Color Correction: Color Manipulation Tools - The Art and Technique of Digital Color Correction - page 140

vectorscope evenly and how they aim toward the six color vector targets.
Also, the various skin tone chips should form a line that follows the I line of
the vectorscope. The I line runs the diagonally across the vectorscope from
about the 5 o'clock position to about 10 o'clock. Many people refer to this
Fig. 4.50 RGB sliders in DaVinci Resolve.
Fig. 4.51 RGB sliders for the Final Cut Pro Colorista plug-in.