col2lab: Color to Lab Conversion
In webmorphR: Reproducible Stimuli
col2lab R Documentation
Color to Lab Conversion
Description
R color to Lab colourspace conversion. Calculated with Observer. = 2°, Illuminant = D65.
Usage
col2lab(col, ref_X = 95.047, ref_Y = 100, ref_Z = 108.883)
Arguments
col
vector of hex or color names
ref_X, ref_Y, ref_Z
Reference values for Observer= 2°, Illuminant= D65
Details
The formulas used to convert from RGB to XYZ and XYZ to Lab are from http://www.easyrgb.com/en/math.php and the reference values are from http://www.brucelindbloom.com/index.html?ColorCheckerCalcHelp.html
Value
vector of L, a and b values
See Also
Other color:
color_conv(),
lab2rgb()
Examples
col2lab("red")
col2lab("#FF0000")
webmorphR documentation built on June 2, 2022, 5:07 p.m.
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.
| col2lab | R Documentation |
Color to Lab Conversion
Description
R color to Lab colourspace conversion. Calculated with Observer. = 2°, Illuminant = D65.
Usage
col2lab(col, ref_X = 95.047, ref_Y = 100, ref_Z = 108.883)
Arguments
col |
vector of hex or color names |
ref_X, ref_Y, ref_Z |
Reference values for Observer= 2°, Illuminant= D65 |
Details
The formulas used to convert from RGB to XYZ and XYZ to Lab are from http://www.easyrgb.com/en/math.php and the reference values are from http://www.brucelindbloom.com/index.html?ColorCheckerCalcHelp.html
Value
vector of L, a and b values
See Also
Other color:
color_conv(),
lab2rgb()
Examples
col2lab("red")
col2lab("#FF0000")
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.
Embedding an R snippet on your website
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.