WoW:USERAPI RGBPercToHex

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 percent set (0.0-1.0) and converts it to a hex string.

local function RGBPercToHex(r, g, b)
    if r > 1 or r < 0 then
        r = 0
    end
    if g > 1 or g < 0 then
        g = 0
    end
    if b > 1 or b < 0 then
        b = 0
    end 
    return string.format("%02x%02x%02x", r*255, g*255, b*255)
end