portage.output: Replace darkblue colors with teal

The "darkblue" color is often barely visible on dark terminals which
makes reading emerge output really hard (I basically have to copy-paste
it a lot in order to be able to read it at all).  Replace it with teal
that does not seem to have any significant use in the output.

Signed-off-by: Michał Górny <mgorny@gentoo.org>
diff --git a/lib/portage/output.py b/lib/portage/output.py
index 42f487f..77375b0 100644
--- a/lib/portage/output.py
+++ b/lib/portage/output.py
@@ -157,7 +157,7 @@
 _styles["SECURITY_WARN"] = ("red",)
 _styles["MERGE_LIST_PROGRESS"] = ("yellow",)
 _styles["PKG_BLOCKER"] = ("red",)
-_styles["PKG_BLOCKER_SATISFIED"] = ("darkblue",)
+_styles["PKG_BLOCKER_SATISFIED"] = ("teal",)
 _styles["PKG_MERGE"] = ("darkgreen",)
 _styles["PKG_MERGE_SYSTEM"] = ("darkgreen",)
 _styles["PKG_MERGE_WORLD"] = ("green",)
@@ -165,8 +165,8 @@
 _styles["PKG_BINARY_MERGE_SYSTEM"] = ("purple",)
 _styles["PKG_BINARY_MERGE_WORLD"] = ("fuchsia",)
 _styles["PKG_UNINSTALL"] = ("red",)
-_styles["PKG_NOMERGE"] = ("darkblue",)
-_styles["PKG_NOMERGE_SYSTEM"] = ("darkblue",)
+_styles["PKG_NOMERGE"] = ("teal",)
+_styles["PKG_NOMERGE_SYSTEM"] = ("teal",)
 _styles["PKG_NOMERGE_WORLD"] = ("blue",)
 _styles["PROMPT_CHOICE_DEFAULT"] = ("green",)
 _styles["PROMPT_CHOICE_OTHER"] = ("red",)
diff --git a/man/color.map.5 b/man/color.map.5
index 288bf7f..92a1baa 100644
--- a/man/color.map.5
+++ b/man/color.map.5
@@ -40,7 +40,7 @@
 \fBPKG_BLOCKER\fR = \fI"red"\fR
 Defines color used for unsatisfied blockers.
 .TP
-\fBPKG_BLOCKER_SATISFIED\fR = \fI"darkblue"\fR
+\fBPKG_BLOCKER_SATISFIED\fR = \fI"teal"\fR
 Defines color used for satisfied blockers.
 .TP
 \fBPKG_MERGE\fR = \fI"darkgreen"\fR
@@ -63,10 +63,10 @@
 Defines color used for world packages planned to be merged using a binary
 package.
 .TP
-\fBPKG_NOMERGE\fR = \fI"darkblue"\fR
+\fBPKG_NOMERGE\fR = \fI"teal"\fR
 Defines color used for packages not planned to be merged.
 .TP
-\fBPKG_NOMERGE_SYSTEM\fR = \fI"darkblue"\fR
+\fBPKG_NOMERGE_SYSTEM\fR = \fI"teal"\fR
 Defines color used for system packages not planned to be merged.
 .TP
 \fBPKG_NOMERGE_WORLD\fR = \fI"blue"\fR