inputId
The input
slot that will be used to access the value.
label
Display label for the control, or 'NULL
for no label.
value
Initial value (can be a colour name or HEX code)
showColour
Whether to show the chosen colour as text inside the input,
as the background colour of the input, or both (default).
palette
The type of colour palette to allow the user to select colours
from. square
(default) shows a square colour palette that allows the
user to choose any colour, while limited
only gives the user a
predefined list of colours to choose from.
allowedCols
A list of colours that the user can choose from. Only
applicable when palette == "limited"
. The limited
palette
uses a default list of 40 colours if allowedCols
is not defined.
allowTransparent
If TRUE
, enables a slider to choose an alpha
(transparency) value for the colour. When a colour with opacity is
chosen, the return value is an 8-digit HEX code.
returnName
If TRUE
, then return the name of an R colour instead
of a HEX value when possible.