jscolorInput: Create a JSColor picker input widget

In RLumShiny: 'Shiny' Applications for the R Package 'Luminescence'

Create a JSColor picker input widget

Description

Creates a JSColor (Javascript/HTML Color Picker) widget to be used in shiny applications.

Usage

jscolorInput(
  inputId,
  label,
  value,
  position = "bottom",
  color = "transparent",
  mode = "HSV",
  slider = TRUE,
  close = FALSE
)

Arguments

inputId	character (required): Specifies the input slot that will be used to access the value.
label	character (optional): Display label for the control, or NULL for no label.
value	character (optional): Initial RGB value of the color picker. Default is black ('#000000').
position	character (with default): Position of the picker relative to the text input ('bottom', 'left', 'top', 'right').
color	character (with default): Picker color scheme ('transparent' by default). Use RGB color coding ('000000').
mode	character (with default): Mode of hue, saturation and value. Can either be 'HSV' or 'HVS'.
slider	logical (with default): Show or hide the slider.
close	logical (with default): Show or hide a close button.

See Also

Other input.elements: shiny::animationOptions, shiny::sliderInput; shiny::checkboxGroupInput; shiny::checkboxInput; shiny::dateInput; shiny::dateRangeInput; shiny::fileInput; shiny::numericInput; shiny::passwordInput; shiny::radioButtons; shiny::selectInput, shiny::selectizeInput; shiny::submitButton; shiny::textInput

Examples

# html code
jscolorInput("col", "Color", "21BF6B", slider = FALSE)

# example app
## Not run: 
shinyApp(
ui = fluidPage(
  jscolorInput(inputId = "col", label = "JSColor Picker",
               value = "21BF6B", position = "right",
               mode = "HVS", close = TRUE),
  plotOutput("plot")
),
server = function(input, output) {
  output$plot <- renderPlot({
    plot(cars, col = input$col, cex = 2, pch = 16)
 })
})

## End(Not run)

RLumShiny documentation built on Aug. 8, 2025, 6:52 p.m.