# neutral hues (N) can be defined with chroma of 0 or NA g '#080808FF' '#101111FF' '#1B1C1CFF' '#313233FF' '#464848FF' '#686A6AFF' #> '#A3A4A2FF' soilPalette ( m ) # back-transform rgb2munsell ( t ( col2rgb ( m ) ) / 255 ) #> rgb2munsell() will be deprecated in aqp 2.1, please use col2Munsell() instead.