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Thumbs up Answer: CountIf Condition based on lookup in a list of values

Yes, this can be done using the COUNTIF function with a condition based on a lookup in a list of values. Here are the steps to follow:
  1. Select a cell where you want to display the result of the COUNTIF function.
  2. Type the following formula in the formula bar:

    Code:
    =COUNTIF(PRIMARY_COLORS,A1)+COUNTIF(PRIMARY_COLORS,B1)+COUNTIF(PRIMARY_COLORS,C1)+COUNTIF(PRIMARY_COLORS,D1)
    Note: A1, B1, C1, and D1 are the cells that contain the input data.
  3. Press Enter to apply the formula.

The formula will count the number of times the values in the input data row match any of the values in the PRIMARY_COLORS range.

Alternatively, you can use the SUMPRODUCT function to achieve the same result with a single formula. Here's how:
  1. Select a cell where you want to display the result of the formula.
  2. Type the following formula in the formula bar:

    Code:
    =SUMPRODUCT(COUNTIF(PRIMARY_COLORS,A1:D1))
    Note: A1:D1 are the cells that contain the input data.
  3. Press Enter to apply the formula.

The formula will count the number of times the values in the input data row match any of the values in the PRIMARY_COLORS range.
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