diff --git a/src/habitmove/habits.py b/src/habitmove/habits.py
index 4a03e68..0866380 100644
--- a/src/habitmove/habits.py
+++ b/src/habitmove/habits.py
@@ -26,7 +26,7 @@ def trackers_to_habits(trackers):
         habits.append(
             Habit(
                 archived=t.hidden,
-                color=11 if t.score != "-1" else 0,
+                color=0 if t.score == -1 else 11,
                 description=t.tag,
                 name=f"{t.emoji} {t.label}",
                 unit="" if t.uom == "num" else t.uom,
diff --git a/src/habitmove/nomiedata.py b/src/habitmove/nomiedata.py
index cbcb9c7..9deab64 100644
--- a/src/habitmove/nomiedata.py
+++ b/src/habitmove/nomiedata.py
@@ -1,30 +1,35 @@
-from typing import Optional, Any
+from typing import Any, Union
 from dataclasses import dataclass, field
+import re
 
 # A nomie habit tracker. Tracks anything whose value can be encapsulated in a numerical value.
 @dataclass(frozen=True)
 class Tracker:
-    color: str
-    emoji: str
-    hidden: bool
-    id: str
-    ignore_zeros: bool
-    label: str
-    math: str
-    one_tap: bool
     tag: str
-    type: str
-    uom: str
+    label: str
+    id: str
+    one_tap: bool = True
+    color: str = "#000080"
+    emoji: str = ""
+    hidden: bool = False
+    ignore_zeros: bool = False
+    math: str = "mean"
+    type: str = "tick"  # tick or range mostly
+    uom: str = ""
     # TODO no idea what include does
-    include: str
+    include: str = ""
     min: int = 0
     max: int = 0
     goal: int = 0
     default: int = 0
-    # TODO score can be string (if custom) or int (if simple good/bad)
-    score: str = ""
+    score: Union[int, str] = 1  # score can be string ('custom') or int
     score_calc: list[dict[str, Any]] = field(default_factory=lambda: [])
 
+    def __post_init__(self):
+        # ensure save as int if not 'custom' scoring
+        if re.match(r"^-?[0-9]+$", str(self.score)):
+            object.__setattr__(self, "score", int(self.score))
+
 
 @dataclass(frozen=True)
 class Activity:
diff --git a/tests/test_nomiedata.py b/tests/test_nomiedata.py
new file mode 100644
index 0000000..c2f9644
--- /dev/null
+++ b/tests/test_nomiedata.py
@@ -0,0 +1,18 @@
+from habitmove import nomiedata
+
+
+def test_score_numerical_becomes_int():
+    sut = nomiedata.Tracker(label="Int checking", tag="isint", id="1337", score="-1")
+    assert type(sut.score) == int
+
+
+def test_score_invalid_int_stays_string():
+    sut = nomiedata.Tracker(label="Int checking", tag="isint", id="1337", score="-1.3")
+    assert type(sut.score) == str
+
+
+def test_score_string_stays_string():
+    sut = nomiedata.Tracker(
+        label="Int checking", tag="isint", id="1337", score="custom"
+    )
+    assert type(sut.score) == str