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I want to set different colors for each strip.text.x in a facet_grid figure. I could find some Q&As about assigning different colors for strip.background, but could not see one for texts.

In the example shown below, the x-axis strip texts are '4', '5', '6', and '7'. What I want is, for example, assigning the red color for '4', the blue one for '5', and some other colors on the other texts. Does anybody happen to know how to do this?

I tried to change them via using g <- ggplot_gtable(ggplot_build(p2)), but it feels like I can only change the options of 'background rectangles' of the strips, not the texts themselves. 

p2 <- ggplot(mpg, aes(displ, cty)) + geom_point() + facet_grid(drv ~ cyl)

enter image description here

UseR10085
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Jaecheol Lee
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    in `theme(strip.text = element_text())` you can change the colour. You can add that as a ggplot layer to the end of your code – morgan121 Feb 18 '20 at 05:18
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    Does this answer your question? [R ggplot2: change colour of font and background in facet strip?](https://stackoverflow.com/questions/53455092/r-ggplot2-change-colour-of-font-and-background-in-facet-strip) – Arcoutte Feb 18 '20 at 05:27
  • @Arcoutte That is what I was looking for! Thank you for your answer. – Jaecheol Lee Jun 13 '23 at 05:54
  • Thank you @morgan121 for your answer, too! – Jaecheol Lee Jun 13 '23 at 05:54

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