A similar solution in R
rgb <- function(r, g, b) { h <- function(x) toupper(format(as.hexmode(min(255, max(0, x))), width=2)) paste0(h(r), h(g), h(b)) }
Tests
> rgb(255, 255, 255) [1] "FFFFFF" > rgb(255, 255, 300) [1] "FFFFFF" > rgb(0, 0, 0) [1] "000000" > rgb(148, 0, 211) [1] "9400D3" > rgb(-20, 275, 125) [1] "00FF7D" > rgb(255, 255, 255) [1] "FFFFFF"
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A similar solution in R
Tests