splom does not work with numeric color #2500

library(plotly)

plot_ly(
  iris,
  type = "splom",
  dimensions = lapply(names(iris), function(col) {
    list(
      label = col,
      values = iris[[col]]
    )
  }),
  color = ~Species
)

plot_ly(
  iris,
  type = "splom",
  dimensions = lapply(names(iris), function(col) {
    list(
      label = col,
      values = iris[[col]]
    )
  }),
  color = 1:150 # or iris$Sepal.Width or ~Sepal.Width
)

> sessionInfo()
R version 4.5.0 (2025-04-11 ucrt)
Platform: x86_64-w64-mingw32/x64
Running under: Windows 11 x64 (build 26200)

Matrix products: default
  LAPACK version 3.12.1

locale:
[1] LC_COLLATE=German_Germany.utf8  LC_CTYPE=German_Germany.utf8    LC_MONETARY=German_Germany.utf8 LC_NUMERIC=C                    LC_TIME=German_Germany.utf8    

time zone: Europe/Berlin
tzcode source: internal

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] plotly_4.12.1 ggplot2_3.5.2

loaded via a namespace (and not attached):
 [1] vctrs_0.6.5        httr_1.4.8         cli_3.6.5          rlang_1.1.6        purrr_1.0.4        generics_0.1.4     jsonlite_2.0.0     data.table_1.18.0 
 [9] glue_1.8.0         htmltools_0.5.9    scales_1.4.0       grid_4.5.0         crosstalk_1.2.2    tibble_3.2.1       fastmap_1.2.0      yaml_2.3.12       
[17] lifecycle_1.0.5    compiler_4.5.0     dplyr_1.1.4        RColorBrewer_1.1-3 htmlwidgets_1.6.4  pkgconfig_2.0.3    tidyr_1.3.1        rstudioapi_0.17.1 
[25] farver_2.1.2       digest_0.6.39      viridisLite_0.4.3  R6_2.6.1           tidyselect_1.2.1   pillar_1.11.1      magrittr_2.0.4     tools_4.5.0       
[33] withr_3.0.2        gtable_0.3.6