diff --git a/lib/types/avatar-types.js b/lib/types/avatar-types.js
new file mode 100644
--- /dev/null
+++ b/lib/types/avatar-types.js
@@ -0,0 +1,14 @@
+// @flow
+
+export type EmojiAvatarDBContent = {
+  +type: 'emoji',
+  +emoji: string,
+  +color: string, // hex, WITH "#" prefix
+};
+
+export type ImageAvatarDBContent = {
+  +type: 'image',
+  +uploadID: string,
+};
+
+export type AvatarDBContent = EmojiAvatarDBContent | ImageAvatarDBContent;