cr_choose_bw: Choose White or Black to Overlay On a Supplied Background...
In matt-dray/coloratio: Assess Color Contrast Ratios for Accessibility
Description
Usage
Arguments
Value
Examples
Description
Selects whether black or white has the greater contrast with a user-
supplied color. Useful for choosing a text color to overlay on a block-color
background, like value labels over the bars of a bar chart. Calculated as per
cr_get_ratio. Defaults to black in the case of a tie.
Usage
1
cr_choose_bw(col_bg)
Arguments
col_bg
A character vector of colors against which to select either
black or white, whichever has maximum contrast. Supply colors as
six-digit hex values preceded by '#', or named colors from
colors.
Value
A character vector of values "black" or "white". The length matches
the input.
Examples
1
cr_choose_bw(c("white", "gray90", "gray50", "gray10", "black"))
matt-dray/coloratio documentation built on June 2, 2021, 6:42 a.m.
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Description Usage Arguments Value Examples
Description
Selects whether black or white has the greater contrast with a user-
supplied color. Useful for choosing a text color to overlay on a block-color
background, like value labels over the bars of a bar chart. Calculated as per
cr_get_ratio. Defaults to black in the case of a tie.
Usage
1 | cr_choose_bw(col_bg)
|
Arguments
col_bg |
A character vector of colors against which to select either
black or white, whichever has maximum contrast. Supply colors as
six-digit hex values preceded by '#', or named colors from
|
Value
A character vector of values "black" or "white". The length matches the input.
Examples
1 | cr_choose_bw(c("white", "gray90", "gray50", "gray10", "black"))
|
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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