diff --git a/CMakeLists.txt b/CMakeLists.txt
index a365286..f2dc981 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -296,6 +296,8 @@ if(WIN32)
 
 	install(FILES ${META_FILES} DESTINATION ".")
 	install(FILES "colors.txt" DESTINATION ".")
+	install(FILES "colors-average-alpha.txt" DESTINATION ".")
+	install(FILES "colors-cumulative-alpha.txt" DESTINATION ".")
 	install(PROGRAMS "${PROJECT_BINARY_DIR}/minetestmapper.exe" DESTINATION ".")
 
 elseif(CREATE_FLAT_PACKAGE)
@@ -316,6 +318,8 @@ elseif(CREATE_FLAT_PACKAGE)
 
 	install(FILES ${META_FILES} DESTINATION ".")
 	install(FILES "colors.txt" DESTINATION ".")
+	install(FILES "colors-average-alpha.txt" DESTINATION ".")
+	install(FILES "colors-cumulative-alpha.txt" DESTINATION ".")
 	install(PROGRAMS "${PROJECT_BINARY_DIR}/minetestmapper" DESTINATION ".")
 
 else(WIN32)
@@ -348,6 +352,8 @@ else(WIN32)
 
 	install(FILES ${META_FILES} DESTINATION "share/doc/${PROJECT_NAME}" COMPONENT mapper)
 	install(FILES colors.txt DESTINATION "share/games/${PROJECT_NAME}" COMPONENT mapper)
+	install(FILES colors-average-alpha.txt DESTINATION "share/games/${PROJECT_NAME}" COMPONENT mapper)
+	install(FILES colors-cumulative-alpha.txt DESTINATION "share/games/${PROJECT_NAME}" COMPONENT mapper)
 	install(TARGETS minetestmapper RUNTIME DESTINATION bin COMPONENT mapper)
 
 	if(CMAKE_INSTALL_PREFIX STREQUAL "/usr")
diff --git a/README.rst b/README.rst
index c32af7a..bacc418 100644
--- a/README.rst
+++ b/README.rst
@@ -213,6 +213,9 @@ drawalpha[=cumulative|cumulative-darken|average|none]:
 
     average: 49 82 132 192 224 (look also good with alpha disabled)
 
+    Custom colors files are provided for these alternatives: colors-average-alpha.txt
+    and colors-cumulative-alpha.txt
+
 drawair:
     Draw air blocks. `--drawair`
 
diff --git a/colors-average-alpha.txt b/colors-average-alpha.txt
new file mode 100644
index 0000000..bffa871
--- /dev/null
+++ b/colors-average-alpha.txt
@@ -0,0 +1,11 @@
+# The colors in this file are specially recommended for --drawalpha=average
+
+@include colors.txt
+
+# Colors for use without --drawalpha.
+default:water_source 49 82 132
+default:water_flowing 49 82 132
+
+default:water_source 49 82 132 192 224
+default:water_flowing 49 82 132 192 224
+
diff --git a/colors-cumulative-alpha.txt b/colors-cumulative-alpha.txt
new file mode 100644
index 0000000..6deb388
--- /dev/null
+++ b/colors-cumulative-alpha.txt
@@ -0,0 +1,11 @@
+# The colors in this file are specially recommended for --drawalpha=cumulative*
+
+@include colors.txt
+
+# Colors for use without --drawalpha.
+default:water_source 49 82 132
+default:water_flowing 49 82 132
+
+default:water_source 78 132 255 64 224
+default:water_flowing 78 132 255 64 224
+
diff --git a/colors.txt b/colors.txt
index 7a983f3..799ef86 100644
--- a/colors.txt
+++ b/colors.txt
@@ -1468,13 +1468,13 @@ mesecons_walllever:wall_lever_on 136 136 136
 mesecons_walllever:wall_lever_off 136 136 136
 bones:bones 74 74 74
 default:glass 192 192 227 64 16
-default:water_flowing 39 66 106
-default:water_flowing 78 132 255 64 224
+default:water_flowing 49 82 132
+default:water_flowing 49 82 132 192 224
 default:junglesapling 37 34 14
 default:sandstonebrick 160 144 108
 default:furnace_active 97 93 91
 default:sign_wall 163 141 106
-default:lava_source 255 100 0
+default:lava_source 255 100 0 208 224
 default:goldblock 126 116 35
 default:obsidian_glass 16 17 17 64 16
 default:stone_with_copper 91 88 87
@@ -1499,7 +1499,7 @@ default:desert_sand 209 165 97
 default:steelblock 153 153 153
 default:rail 114 82 33
 default:nyancat_rainbow 58 19 128
-default:lava_flowing 255 100 0
+default:lava_flowing 255 100 0 208 224
 default:sapling 63 59 40
 default:snow 225 227 255
 default:furnace 97 93 91
@@ -1507,8 +1507,8 @@ default:desert_stone 122 74 57
 default:tree 66 52 35
 default:jungletree 120 106 78
 default:cactus 132 143 108
-default:water_source 39 66 106
-default:water_source 78 132 255 64 224
+default:water_source 49 82 132
+default:water_source 49 82 132 192 200
 default:mese 200 202 0
 default:stone_with_coal 91 88 87
 default:nyancat 38 16 66