diff --git a/package.json b/package.json
index 717b54233..f07dca9a4 100644
--- a/package.json
+++ b/package.json
@@ -83,7 +83,7 @@
     "scaffdog": "2.4.0",
     "styled-components": "5.3.5",
     "ts-jest": "28.0.4",
-    "typescript": "4.8.2"
+    "typescript": "4.9.3"
   },
   "files": [
     "dist"
diff --git a/src/styles/color.ts b/src/styles/color.ts
index f25b3a48a..60135131e 100644
--- a/src/styles/color.ts
+++ b/src/styles/color.ts
@@ -1,19 +1,19 @@
 export type Color = {
-  40?: string; // TODO: Abolish this key or define all colors with this key
-  50?: string; // TODO: Abolish this key or define all colors with this key
-  100: string;
-  200: string;
-  300: string;
-  400: string;
-  500: string;
-  600: string;
-  700: string;
-  800: string;
-  900: string;
-  1000?: string; // TODO: Abolish this key or define all colors with this key
+  40?: `#${string}`;
+  50?: `#${string}`;
+  100: `#${string}`;
+  200: `#${string}`;
+  300: `#${string}`;
+  400: `#${string}`;
+  500: `#${string}`;
+  600: `#${string}`;
+  700: `#${string}`;
+  800: `#${string}`;
+  900: `#${string}`;
+  1000?: `#${string}`;
 };
 
-export const colors: { [color: string]: Color } = {
+export const colors = {
   red: {
     100: "#FFE2E5",
     200: "#FFBAC3",
@@ -76,4 +76,4 @@ export const colors: { [color: string]: Color } = {
 
     1000: "#001326",
   },
-};
+} satisfies Record<string, Color>;
diff --git a/src/themes/palette.ts b/src/themes/palette.ts
index fbdecb1b0..99fde0b06 100644
--- a/src/themes/palette.ts
+++ b/src/themes/palette.ts
@@ -52,7 +52,7 @@ export type Palette = {
 };
 
 export const palette: Palette = {
-  white: colors.basic[50] as string, // TODO
+  white: colors.basic[50],
   black: colors.basic[900],
   primary: {
     deepDark: colors.blue[700],
@@ -98,9 +98,9 @@ export const palette: Palette = {
   },
   background: {
     default: "#FFFFFF",
-    dark: colors.blue[40] as string, // TODO
+    dark: colors.blue[40],
     active: colors.blue[100],
-    hint: colors.blue[50] as string, // TODO
+    hint: colors.blue[50],
   },
   divider: colors.basic[400],
   icon: {
diff --git a/yarn.lock b/yarn.lock
index 6c8065686..6d7aae854 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -14883,10 +14883,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha512-/aCDEGatGvZ2BIk+HmLf4ifCJFwvKFNb9/JeZPMulfgFracn9QFcAf5GO8B/mweUjSoblS5In0cWhqpfs/5PQA==
 
-typescript@4.8.2:
-  version "4.8.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.8.2.tgz#e3b33d5ccfb5914e4eeab6699cf208adee3fd790"
-  integrity sha512-C0I1UsrrDHo2fYI5oaCGbSejwX4ch+9Y5jTQELvovfmFkK3HHSZJB8MSJcWLmCUBzQBchCrZ9rMRV6GuNrvGtw==
+typescript@4.9.3:
+  version "4.9.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.3.tgz#3aea307c1746b8c384435d8ac36b8a2e580d85db"
+  integrity sha512-CIfGzTelbKNEnLpLdGFgdyKhG23CKdKgQPOBc+OUNrkJ2vr+KSzsSV5kq5iWhEQbok+quxgGzrAtGWCyU7tHnA==
 
 uglify-js@^3.1.4:
   version "3.16.0"