diff --git a/src/Arduboy.h b/src/Arduboy.h
index 1165683..c91c182 100644
--- a/src/Arduboy.h
+++ b/src/Arduboy.h
@@ -19,6 +19,11 @@
 
 #define PIXEL_SAFE_MODE
 
+// pixel colors
+#define INVERT 2 //< lit/unlit pixel
+#define WHITE 1 //< lit pixel
+#define BLACK 0 //< unlit pixel
+
 // compare Vcc to 1.1 bandgap
 #define ADC_VOLTAGE (_BV(REFS0) | _BV(MUX4) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1))
 // compare temperature to 2.5 internal reference and _BV(MUX5)
diff --git a/src/core/core.h b/src/core/core.h
index 4ca77b4..a0b79ef 100644
--- a/src/core/core.h
+++ b/src/core/core.h
@@ -133,10 +133,6 @@
 #define WIDTH 128
 #define HEIGHT 64
 
-#define INVERT 2 //< lit/unlit pixel
-#define WHITE 1 //< lit pixel
-#define BLACK 0 //< unlit pixel
-
 class ArduboyCore
 {
 public: