Create sRGB Colors

This function creates colors of class sRGB; a subclass of the virtual color-class class.

sRGB(R, G, B, names)

Arguments

R, G, B

these arguments give the red, green and blue intensities of the colors (the values should lie between 0 and 1). The values can be provided in separate R, G and B vectors or in a three-column matrix passed as R.

names

A vector of names for the colors (by default the row names of R are used).

Value

An object of class sRGB which inherits from class color.

Details

This function creates colors in the standard sRGB color space (IEC standard 61966).

See also

RGB, HSV, XYZ, LAB, polarLAB, LUV, polarLUV.

Author

Ross Ihaka

Examples

# Create a random set of colors
set.seed(1)
sRGB(R = runif(20), G = runif(20), B = runif(20))
#>                R          G          B
#>  [1,] 0.26550866 0.93470523 0.82094629
#>  [2,] 0.37212390 0.21214252 0.64706019
#>  [3,] 0.57285336 0.65167377 0.78293276
#>  [4,] 0.90820779 0.12555510 0.55303631
#>  [5,] 0.20168193 0.26722067 0.52971958
#>  [6,] 0.89838968 0.38611409 0.78935623
#>  [7,] 0.94467527 0.01339033 0.02333120
#>  [8,] 0.66079779 0.38238796 0.47723007
#>  [9,] 0.62911404 0.86969085 0.73231374
#> [10,] 0.06178627 0.34034900 0.69273156
#> [11,] 0.20597457 0.48208012 0.47761962
#> [12,] 0.17655675 0.59956583 0.86120948
#> [13,] 0.68702285 0.49354131 0.43809711
#> [14,] 0.38410372 0.18621760 0.24479728
#> [15,] 0.76984142 0.82737332 0.07067905
#> [16,] 0.49769924 0.66846674 0.09946616
#> [17,] 0.71761851 0.79423986 0.31627171
#> [18,] 0.99190609 0.10794363 0.51863426
#> [19,] 0.38003518 0.72371095 0.66200508
#> [20,] 0.77744522 0.41127443 0.40683019