munsell: Munsell to sRGB Lookup Table for Common Soil Colors

In aqp: Algorithms for Quantitative Pedology

Munsell to sRGB Lookup Table for Common Soil Colors

Description

A lookup table of interpolated Munsell color chips for common soil colors.

Usage

data(munsell)

Format

A data frame with 8825 rows.

hue

Munsell Hue, upper case

value

Munsell Value

chroma

Munsell Chroma

r

sRGB "red" value (0-1)

g

sRGB "green" value (0-1)

b

sRGB "blue" value (0-1)

L

CIE LAB "L" coordinate

A

CIE LAB "A" coordinate

B

CIE LAB "B" coordinate

Details

See munsell2rgb for conversion examples. Note that this table does not currently have entries for values of 2.5–common in most soil color books. These chips should be added in the next major release of aqp. Values are referenced to the D65 standard illuminant.

Source

Color chip XYZ values: http://www.rit.edu/cos/colorscience/rc_munsell_renotation.php

References

http://www.brucelindbloom.com/index.html?ColorCalcHelp.html

Color conversion equations

http://dx.doi.org/10.1016/j.cageo.2012.10.020

Methods used to generate this table

Examples

data(munsell)

aqp documentation built on Sept. 8, 2023, 5:45 p.m.