diff --git a/app/src/androidTest/java/jp/juggler/subwaytooter/TestColorString.kt b/app/src/androidTest/java/jp/juggler/subwaytooter/TestColorString.kt
index 674dd933..c50d909c 100644
--- a/app/src/androidTest/java/jp/juggler/subwaytooter/TestColorString.kt
+++ b/app/src/androidTest/java/jp/juggler/subwaytooter/TestColorString.kt
@@ -17,7 +17,7 @@ class TestColorString {
         }
         a("", Color.BLACK)
         a("8", Color.BLACK or 0x88_88_88)
-        a("56", Color.BLACK or 0x55_66_00)
+        a("56", Color.BLACK or 0x55_66_80)
         a("123", Color.BLACK or 0x11_22_33)
         a("1234", 0x11_22_33_44)
         a("12345", Color.BLACK or 0x12_34_55)
diff --git a/colorpicker/src/main/java/com/jrummyapps/android/colorpicker/ColorString.kt b/colorpicker/src/main/java/com/jrummyapps/android/colorpicker/ColorString.kt
index 77b33a9a..501ba04a 100644
--- a/colorpicker/src/main/java/com/jrummyapps/android/colorpicker/ColorString.kt
+++ b/colorpicker/src/main/java/com/jrummyapps/android/colorpicker/ColorString.kt
@@ -15,7 +15,7 @@ fun parseColorString(src: String): Int {
     return when (src.length - start) {
         0 -> Color.BLACK
         1 -> Color.argb(255, c1(0), c1(0), c1(0))
-        2 -> Color.argb(255, c1(0), c1(1), 0)
+        2 -> Color.argb(255, c1(0), c1(1), 0x80)
         3 -> Color.argb(255, c1(0), c1(1), c1(2))
         4 -> Color.argb(c1(0), c1(1), c1(2), c1(3))
         5 -> Color.argb(255, c2(0), c2(2), c1(4))