Which of these colors isn't a shade of red?
carmine
amaranth
indigo
vermilion
Indigo is a deep and rich color close to the color wheel blue (a primary color in the RGB color space), as well as to some variants of ultramarine. It is traditionally regarded as a color in the visible spectrum, as well as one of the seven colors of the rainbow: the color between blue and violet.
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Answers by country
carmine
amaranth
indigo
vermilion
answers

11

12

33

114

26

13

241

68

21

40

13

13334

17

11

45

16

14