Changing a Roblox Humanoid's Appearance

changeHumanoidsAppearance.lua

local Players = game:GetService("Players")

local function alterPlayer(player) 	
	local character = player.Character or player.CharacterAdded:Wait()
	local humanoid = character:WaitForChild("Humanoid")
	local userId = player.UserId
	local humanoidDescription = game.Players:GetHumanoidDescriptionFromUserId(userId)
	humanoidDescription.HeadColor = Color3.fromHex("#39FF14")
	humanoidDescription.LeftArmColor = Color3.fromHex("#39FF14")
	humanoidDescription.RightArmColor = Color3.fromHex("#39FF14")
	humanoidDescription.TorsoColor = Color3.fromHex("#39FF14")
	humanoidDescription.LeftLegColor = Color3.fromHex("#39FF14")
	humanoidDescription.RightLegColor = Color3.fromHex("#39FF14")
	
	if humanoid then
		humanoid:ApplyDescription(humanoidDescription)
	end
end


local function onPlayerAdded(player) 
	player.CharacterAdded:Connect(function(character)
		alterPlayer(player)
	end)
end

Players.PlayerAdded:Connect(onPlayerAdded)