stRoke/man/contrast_text.Rd

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% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/contrast_text.R
\name{contrast_text}
\alias{contrast_text}
\title{MOVED Contrast Text Color}
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\usage{
contrast_text(
background,
light_text = "white",
dark_text = "black",
threshold = 0.5,
method = "perceived_2",
...
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)
}
\arguments{
\item{background}{A hex/named color value that represents the background.}
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\item{light_text}{A hex/named color value that represents the light text
color.}
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\item{dark_text}{A hex/named color value that represents the dark text color.}
\item{threshold}{A numeric value between 0 and 1 that is used to determine
the luminance threshold of the background color for text color.}
\item{method}{A character string that specifies the method for calculating
the luminance. Three different methods are available:
c("relative","perceived","perceived_2")}
\item{...}{parameter overflow. Ignored.}
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}
\value{
A character string that contains the best contrast text color.
}
\description{
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Calculates the best contrast text color for a given
background color.
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}
\details{
This function aids in deciding the font color to print on a given background.
The function is based on the example provided by teppo:
https://stackoverflow.com/a/66669838/21019325.
The different methods provided are based on the methods outlined in the
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StackOverflow thread:
https://stackoverflow.com/questions/596216/formula-to-determine-perceived-brightness-of-rgb-color
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}
\examples{
contrast_text(c("#F2F2F2", "blue"))
contrast_text(c("#F2F2F2", "blue"), method="relative")
}