setcolalpha: Set alpha channel for colours
In sintro: Introduction to R: sintro

Set or modify the alpha chanels for colour specification

1	setcolalpha(col, alpha = "#40")

`col`	a colour specification, as 7 or 9 character hex specifcation (e.g. '#2050A0')
`alpha`	a hex specification for the alpha channel (e.g. '#80')

a modified colour specifcation

col <- "#0A0B0C"
setcolalpha(col)

col <- "#0A0B0C10"
setcolalpha(col)

setcolalpha(col, alpha='#80')

sintro documentation built on May 2, 2019, 5:26 p.m.

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