From 58f3df9950f138c83ab96be2adb886afb3f48ade Mon Sep 17 00:00:00 2001
From: timonbldw <63684347+timonbldw@users.noreply.github.com>
Date: Wed, 25 Jan 2023 15:50:06 +0100
Subject: [PATCH] Fix Lab color space conversion

In the current Lab conversion the RGB colors are not scaled to [0,1], resulting in the Lab color space being out of scale.
---
 ev3dev2/sensor/lego.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ev3dev2/sensor/lego.py b/ev3dev2/sensor/lego.py
index 281d983..f2f2ebd 100644
--- a/ev3dev2/sensor/lego.py
+++ b/ev3dev2/sensor/lego.py
@@ -277,6 +277,7 @@ def lab(self):
         XYZ = [0, 0, 0]
 
         for (num, value) in enumerate(self.rgb):
+            value /= 255 # scale rgb input to [0,1]
             if value > 0.04045:
                 value = pow(((value + 0.055) / 1.055), 2.4)
             else: