Error in alpha * 255: non-numeric argument to binary operator

library(farver)
spectrum <- decode_colour(rainbow(10))
encode_colour(spectrum, "rgb")
#> Error in alpha * 255: non-numeric argument to binary operator

^{Created on 2023-04-07 with reprex v2.0.2}

Session info

``` r sessioninfo::session_info() #> ─ Session info ─────────────────────────────────────────────────────────────── #> setting value #> version R version 4.2.2 (2022-10-31) #> os Zorin OS 16.2 #> system x86_64, linux-gnu #> ui X11 #> language en_GB:en #> collate en_GB.UTF-8 #> ctype en_GB.UTF-8 #> tz Europe/Stockholm #> date 2023-04-07 #> pandoc 2.19.2 @ /home/miniconda3/envs/r-4.2/bin/ (via rmarkdown) #> #> ─ Packages ─────────────────────────────────────────────────────────────────── #> package * version date (UTC) lib source #> cli 3.6.1 2023-03-23 [1] CRAN (R 4.2.2) #> digest 0.6.31 2022-12-11 [1] CRAN (R 4.2.2) #> evaluate 0.20 2023-01-17 [1] CRAN (R 4.2.2) #> farver * 2.1.1.9000 2023-04-07 [1] Github (thomasp85/farver@9bc85a6) #> fastmap 1.1.1 2023-02-24 [1] CRAN (R 4.2.2) #> fs 1.6.1 2023-02-06 [1] CRAN (R 4.2.2) #> glue 1.6.2 2022-02-24 [1] CRAN (R 4.2.0) #> htmltools 0.5.5 2023-03-23 [1] CRAN (R 4.2.2) #> knitr 1.42 2023-01-25 [1] CRAN (R 4.2.2) #> lifecycle 1.0.3 2022-10-07 [1] CRAN (R 4.2.1) #> magrittr 2.0.3 2022-03-30 [1] CRAN (R 4.2.0) #> purrr 1.0.1 2023-01-10 [1] CRAN (R 4.2.2) #> R.cache 0.16.0 2022-07-21 [1] CRAN (R 4.2.2) #> R.methodsS3 1.8.2 2022-06-13 [1] CRAN (R 4.2.2) #> R.oo 1.25.0 2022-06-12 [1] CRAN (R 4.2.2) #> R.utils 2.12.2 2022-11-11 [1] CRAN (R 4.2.2) #> reprex 2.0.2 2022-08-17 [1] CRAN (R 4.2.1) #> rlang 1.1.0 2023-03-14 [1] CRAN (R 4.2.2) #> rmarkdown 2.20 2023-01-19 [1] CRAN (R 4.2.2) #> sessioninfo 1.2.2 2021-12-06 [1] CRAN (R 4.2.1) #> styler 1.9.0 2023-01-15 [1] CRAN (R 4.2.2) #> vctrs 0.6.1 2023-03-22 [1] CRAN (R 4.2.2) #> withr 2.5.0 2022-03-03 [1] CRAN (R 4.2.1) #> xfun 0.37 2023-01-31 [1] CRAN (R 4.2.2) #> yaml 2.3.7 2023-01-23 [1] CRAN (R 4.2.2) #> #> [1] /home/roy/miniconda3/envs/r-4.2/lib/R/library #> #> ────────────────────────────────────────────────────────────────────────────── ```

thomasp85 / farver

Error in alpha * 255: non-numeric argument to binary operator #42