r - Find color names for colors close to colorBrewer palette -

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i want use r package sna social network analysis. sna colors elements using r color names (text names).

i'd find near matches colorbrewer palette (set3) color names in r.

there aren't many exact matches in rgb space.

require(rcolorbrewer)  brew10 <- brewer.pal(10, "set3") rcol <- colors() brew10rgb <- col2rgb(brew10) allrgb <- col2rgb(rcol) apply(t(brew10rgb), 1, paste, collapse="$$") %in% apply(t(allrgb), 1, paste,collapse="$$") brew10rgb[,1] fltr <- allrgb[1,]==141 allrgb[,fltr] fltr <- allrgb[2,]==211 allrgb[,fltr]

is there way pick color names qualitative palette in r, or map these rcolorbrewer colors existing colors?

see if useful. (it's li distance on rgb space):

col.dist <- function(inp, comp) sum( abs(inp - col2rgb(comp) ) )  colors()[ apply(col2rgb(brew10), 2,               function(z) which.min( sapply(colors(),                             function(x) col.dist(inp=z, comp=x) ) ) ) ] #-----------  [1] "paleturquoise3"  "moccasin"        "lightsteelblue"  "salmon"   [5] "lightskyblue3"   "sandybrown"      "darkolivegreen2" "thistle2"  [9] "gray85"          "orchid3"

looks might have succeeded looking at:

display.brewer.pal(10,"set3")

enter image description here (although have never see thistle color, , have thought number 7 more of "lightolive" "darkolive".) proably faster response, although seemed acceptable, if made call colors once , stored matrix.


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