diff --git a/Tests/test_file_tga.py b/Tests/test_file_tga.py
index a03a6a6e1..26837fcf8 100644
--- a/Tests/test_file_tga.py
+++ b/Tests/test_file_tga.py
@@ -85,7 +85,7 @@ def test_rgba_16() -> None:
     with Image.open("Tests/images/rgba16.tga") as im:
         assert im.mode == "RGBA"
 
-        assert im.getpixel((0, 0)) == (172, 0, 255, 255)
+        assert im.getpixel((0, 0)) == (173, 0, 255, 255)
         assert im.getpixel((1, 0)) == (0, 255, 82, 0)
 
 
diff --git a/src/PIL/BmpImagePlugin.py b/src/PIL/BmpImagePlugin.py
index bf8f29577..a1942d954 100644
--- a/src/PIL/BmpImagePlugin.py
+++ b/src/PIL/BmpImagePlugin.py
@@ -43,7 +43,7 @@ BIT2MODE = {
     1: ("P", "P;1"),
     4: ("P", "P;4"),
     8: ("P", "P"),
-    16: ("RGB", "BGR;15"),
+    16: ("RGB", "XRGB;1555"),
     24: ("RGB", "BGR"),
     32: ("RGB", "BGRX"),
 }
@@ -218,8 +218,8 @@ class BmpImageFile(ImageFile.ImageFile):
                 (32, (0xFF000000, 0xFF00, 0xFF, 0xFF0000)): "BGAR",
                 (32, (0x0, 0x0, 0x0, 0x0)): "BGRA",
                 (24, (0xFF0000, 0xFF00, 0xFF)): "BGR",
-                (16, (0xF800, 0x7E0, 0x1F)): "BGR;16",
-                (16, (0x7C00, 0x3E0, 0x1F)): "BGR;15",
+                (16, (0xF800, 0x7E0, 0x1F)): "RGB;565",
+                (16, (0x7C00, 0x3E0, 0x1F)): "XRGB;1555",
             }
             if file_info["bits"] in SUPPORTED:
                 if (
diff --git a/src/PIL/TgaImagePlugin.py b/src/PIL/TgaImagePlugin.py
index 90d5b5cf4..daf98f353 100644
--- a/src/PIL/TgaImagePlugin.py
+++ b/src/PIL/TgaImagePlugin.py
@@ -36,7 +36,7 @@ MODES = {
     (3, 1): "1",
     (3, 8): "L",
     (3, 16): "LA",
-    (2, 16): "BGRA;15Z",
+    (2, 16): "ARGB;1555Z",
     (2, 24): "BGR",
     (2, 32): "BGRA",
 }
@@ -116,7 +116,7 @@ class TgaImageFile(ImageFile.ImageFile):
             start, size, mapdepth = i16(s, 3), i16(s, 5), s[7]
             if mapdepth == 16:
                 self.palette = ImagePalette.raw(
-                    "BGRA;15Z", bytes(2 * start) + self.fp.read(2 * size)
+                    "ARGB;1555Z", bytes(2 * start) + self.fp.read(2 * size)
                 )
                 self.palette.mode = "RGBA"
             elif mapdepth == 24: