diff --git a/tinygrad/codegen/opt/__init__.py b/tinygrad/codegen/opt/__init__.py
index a47d785b5a..ca11b845ef 100644
--- a/tinygrad/codegen/opt/__init__.py
+++ b/tinygrad/codegen/opt/__init__.py
@@ -19,7 +19,7 @@ class Opt:
 axis_letters = {AxisType.GLOBAL: "g", AxisType.THREAD: "t", AxisType.LOCAL: "l", AxisType.WARP: "w", AxisType.LOOP: "L", AxisType.UPCAST: "u",
                 AxisType.GROUP_REDUCE: "G", AxisType.REDUCE: "R", AxisType.UNROLL: "r"}
 axis_colors = {AxisType.GLOBAL: "blue", AxisType.THREAD: "BLUE", AxisType.LOCAL: "cyan", AxisType.WARP: "CYAN", AxisType.LOOP: "WHITE",
-               AxisType.UPCAST: "yellow", AxisType.GROUP_REDUCE: "green", AxisType.REDUCE: "red", AxisType.UNROLL: "magenta"}
+               AxisType.UPCAST: "yellow", AxisType.GROUP_REDUCE: "RED", AxisType.REDUCE: "red", AxisType.UNROLL: "magenta"}
 
 class KernelOptError(Exception): pass
 def check(cond:bool, msg:str=""):