game:GetService("Lighting").FogEnd = 10000
local r = 255
local g = 0
local b = 0

while true do
	if r > 0 and b == 0 then
		r = r - 1
		g = g + 1
	end
	if g > 0 and r == 0 then
		g = g - 1
		b = b + 1
	end
	if b > 0 and g == 0 then
		r = r + 1
		b = b - 1
	end
	game:GetService("Lighting").FogColor = Color3.new(r, g, b)
	wait()
end