diff --git a/CONTRIBUTORS.txt b/CONTRIBUTORS.txt
index 38e2ea32..2c20e45d 100644
--- a/CONTRIBUTORS.txt
+++ b/CONTRIBUTORS.txt
@@ -135,3 +135,6 @@
 
 - Thouis Jones
   Vectorized operators for arrays of 16-bit ints.
+
+- Xavier Moles Lopez
+  Color separation (color deconvolution) for several stainings.