diff --git a/.gitignore b/.gitignore
index 79cfaaf..385f4c8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ node_modules
 .cache
 wxbox_client_wasm/dist
 crates/client/dist
+*/bun.lockb
diff --git a/crates/tiler/config.toml b/crates/tiler/config.toml
index b9a718b..007f702 100644
--- a/crates/tiler/config.toml
+++ b/crates/tiler/config.toml
@@ -3,14 +3,14 @@ from = "https://mrms.ncep.noaa.gov/data/2D/MergedReflectivityQCComposite/MRMS_Me
 needs_gzip = true
 valid_for = 120
 palette = """
-Color:  10   164  164  255    100 100 192
-Color:  20    64  128  255     32  64 128
-Color:  30     0  255    0      0 128   0
-Color:  40   255  255    0    255 128   0
-Color:  50   255    0    0    160   0   0
-Color:  60   255    0  255    128   0 128
-Color:  70   255  255  255    128 128 128
-Color:  80   128  128  128
+Color4:  10   164  164  255  0      100 100 192  255
+Color4:  20    64  128  255  255     32  64 128  255
+Color4:  30     0  255    0  255      0 128   0  255
+Color4:  40   255  255    0  255    255 128   0  255
+Color4:  50   255    0    0  255    160   0   0  255
+Color4:  60   255    0  255  255    128   0 128  255
+Color4:  70   255  255  255  255    128 128 128  255
+Color4:  80   128  128  128  255
 """
 missing = -99.0
 no_coverage = -999.0
@@ -18,12 +18,12 @@ no_coverage = -999.0
 [data.nexrad.base_reflectivity_halfdegree]
 from = "DS.p94r0"
 palette = """
-Color:  10   164  164  255    100 100 192
-Color:  20    64  128  255     32  64 128
-Color:  30     0  255    0      0 128   0
-Color:  40   255  255    0    255 128   0
-Color:  50   255    0    0    160   0   0
-Color:  60   255    0  255    128   0 128
-Color:  70   255  255  255    128 128 128
-Color:  80   128  128  128
-"""
\ No newline at end of file
+Color4:  10   164  164  255  0      100 100 192  255
+Color4:  20    64  128  255  255     32  64 128  255
+Color4:  30     0  255    0  255      0 128   0  255
+Color4:  40   255  255    0  255    255 128   0  255
+Color4:  50   255    0    0  255    160   0   0  255
+Color4:  60   255    0  255  255    128   0 128  255
+Color4:  70   255  255  255  255    128 128 128  255
+Color4:  80   128  128  128  255
+"""
diff --git a/crates/tiler/src/grib2.rs b/crates/tiler/src/grib2.rs
index 06e8273..f7e7508 100644
--- a/crates/tiler/src/grib2.rs
+++ b/crates/tiler/src/grib2.rs
@@ -230,11 +230,7 @@ fn colorize(value: Option<f64>, data_source: &Grib2DataSource) -> anyhow::Result
                 color.red,
                 color.green,
                 color.blue,
-                if color.red == 0 && color.green == 0 && color.blue == 0 {
-                    0
-                } else {
-                    255
-                },
+                color.alpha, // guaranteed to be present afaict
             ])
         }
         None => Rgba([0, 0, 0, 30]),