WoW:USERAPI RGBToHex

This page documents a user-defined function that you can copy and paste into your addon. Replace PREFIX with your addon or lib prefix to avoid conflicts between different versions of these functions.

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Takes a RGB value set (0-255) and converts it into a hex string.

local function RGBToHex(r, g, b)
    if r > 255 or r < 0 then
        r = 0
    end
    if g > 255 or g < 0 then
        g = 0
    end
    if b > 255 or b < 0 then
        b = 0
    end 
    return string.format("%02x%02x%02x", r, g, b)
end