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motifStack (version 1.16.2)

highlightCol: add alpha transparency value to a color

Description

An alpha transparency value can be specified to a color, in order to get better color for background.

Usage

highlightCol(col, alpha = 0.5)

Arguments

col
vector of any of the three kinds of R color specifications, i.e., either a color name (as listed by colors()), a hexadecimal string of the form "#rrggbb" or "#rrggbbaa" (see rgb), or a positive integer i meaning palette()[i].
alpha
a value in [0, 1]

Value

  • a vector of colors in hexadecimal string of the form "#rrggbbaa".

Examples

Run this code
highlightCol(1:5, 0.3)
    highlightCol(c("red", "green", "blue"), 0.3)

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