See also Custom colors in R Plotly
When using a variable for color in a plotly bar graph. How do you change the default color scheme?
library(plotly)
library(dplyr)
p <- ggplot2::diamonds %>% count(cut, clarity) %>%
plot_ly(x = ~cut, y = ~n, color = ~clarity) %>%
layout(barmode = "stack")
p
colors
argument of plot_ly
takes a vector of length numbers of categories:
p <- ggplot2::diamonds %>% count(cut, clarity) %>%
plot_ly(x = ~cut, y = ~n, color = ~clarity, colors = rainbow(10)) %>%
layout(barmode = "stack")
p
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