ColToHex {DescTools}

Convert a Color or a RGB-color Into Hex String

Description

Convert a color given by name, by its palette index or by rgb-values into a string of the form "#rrggbb" or "#rrggbbaa".

Usage

ColToHex(col, alpha = 1)

Arguments

col

vector of any of either a color name (an element of colors()), or an integer i meaning palette()[i]. Non-string values are coerced to integer.

alpha

the alpha value to be used. This can be any value from 0 (fully transparent) to 1 (opaque). Default is 1.

Value

Returns the colorvalue in #rrggbb" or #rrggbbaa" format. (character)

Author(s)

Andri Signorell <[e-mail]>

See Also

HexToCol, ColToRgb, colors

Examples

ColToHex(c("lightblue", "salmon"))

x <- ColToRgb("darkmagenta")
x[2,] <- x[2,] + 155
RgbToCol(x)

RgbToHex(c(255,0,0))