diff --git a/src/main/java/org/nanoboot/utils/timecalc/entity/Visibility.java b/src/main/java/org/nanoboot/utils/timecalc/entity/Visibility.java
new file mode 100644
index 0000000..6f08b10
--- /dev/null
+++ b/src/main/java/org/nanoboot/utils/timecalc/entity/Visibility.java
@@ -0,0 +1,9 @@
+package org.nanoboot.utils.timecalc.entity;
+
+/**
+ * @author Robert
+ * @since 23.02.2024
+ */
+public enum Visibility {
+    STRONGLY_COLORED, WEAKLY_COLORED, GRAY, NONE;
+}