Doug Johnson Productions

Scope guide · Color & matching

Color Balance Plot

Inspect RGB balance and gamut in double-diamond and related displays beside a normal Picture reference.

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Learn & Reference / Scope library / Color Balance Plot

Are channel relationships explaining a cast?

Add this view from Add scope > Color Balance Plot, then choose the input you want to inspect. Use the pane's i button for its in-app reading guide.

Read this example.

Fresh arena-pop LED scene in Color Balance Plot (upper left), Channel vs Channel (upper right), Quad Balance (lower left) and CIE xy (lower right).
Fresh arena-pop LED scene in Color Balance Plot (upper left), Channel vs Channel (upper right), Quad Balance (lower left) and CIE xy (lower right). Click the image for a larger view.
  1. Read the pair named for each diamond; the two plots compare different channel relationships.
  2. Reference outlines provide nominal RGB boundaries. Investigate excursions alongside Picture.
  3. Colored stage lighting produces unequal components intentionally. A known neutral prop is a useful matching reference.

Try it yourself.

  1. Choose the concert scene in Picture and Color Balance Plot.
  2. Select double-diamond and identify the two channel pairs.
  3. Compare with a neutral studio scene or smaller shared analysis region.

Useful controls.

  • Display selects a channel-balance representation.
  • Trace controls visibility and persistence.
  • References and shared regions help compare the same subject across views.

Nominal RGB boundaries and creative color answer different questions. Locate the relationship, then judge its production significance in context.