diff --git a/jest.config.ts b/jest.config.ts
index b1928ec..d18a3d6 100644
--- a/jest.config.ts
+++ b/jest.config.ts
@@ -26,6 +26,7 @@ const config: JestConfigWithTsJest = {
     moduleNameMapper: {
         '^color$': '<rootDir>/src/main/color',
         '^context$': '<rootDir>/src/main/p5',
+        '^discriminator$': '<rootDir>/src/main/discriminator',
         '^map$': '<rootDir>/src/main/map',
         '^math$': '<rootDir>/src/main/math',
         '^palette$': '<rootDir>/src/main/color/palette',
diff --git a/src/main/batpb-genart.ts b/src/main/batpb-genart.ts
index bc6245b..146f3ef 100644
--- a/src/main/batpb-genart.ts
+++ b/src/main/batpb-genart.ts
@@ -15,11 +15,12 @@
  * See the GNU Affero General Public License for more details.
  */
 
-export * from 'math';
-export * from 'random';
-export * from 'map';
-export * from 'context';
 export * from 'color'
+export * from 'context';
+export * from 'discriminator';
+export * from 'map';
+export * from 'math';
 export * from 'palette';
-export * from 'palette-colors';
 export * from 'palettes';
+export * from 'palette-colors';
+export * from 'random';
diff --git a/src/main/color/color-contrast/color-contrast-assessor.ts b/src/main/color/color-contrast/color-contrast-assessor.ts
index a966094..e8464b9 100644
--- a/src/main/color/color-contrast/color-contrast-assessor.ts
+++ b/src/main/color/color-contrast/color-contrast-assessor.ts
@@ -18,7 +18,8 @@
 import {getContrastRatios, ResponseObject} from 'cococh';
 
 import {Color} from 'color';
-import {isPaletteColor, PaletteColor} from 'palette';
+import {Discriminator} from 'discriminator';
+import {PaletteColor} from 'palette';
 
 //TODO - Documentation
 // TODO - unit tests
@@ -64,7 +65,7 @@ export class ColorContrastAssessor {
         if (colorA instanceof Color && colorB instanceof Color) {
             hexA = colorA.hex;
             hexB = colorB.hex;
-        } else if (isPaletteColor(colorA) && isPaletteColor(colorB)) {
+        } else if (Discriminator.isPaletteColor(colorA) && Discriminator.isPaletteColor(colorB)) {
             hexA = colorA.HEX;
             hexB = colorB.HEX;
         } else if (typeof colorA === 'string' && typeof colorB === 'string') {
diff --git a/src/main/color/color-selector-type.ts b/src/main/color/color-selector-type.ts
index d99353a..1a2101b 100644
--- a/src/main/color/color-selector-type.ts
+++ b/src/main/color/color-selector-type.ts
@@ -20,7 +20,7 @@
  *
  * @category Color
  */
-export const enum ColorSelectorType {
+export enum ColorSelectorType {
     /**
      * Color selector that chooses colors from a pre-selected palette.
      */
diff --git a/src/main/color/default-color-selector.ts b/src/main/color/default-color-selector.ts
index 5c07b17..7054381 100644
--- a/src/main/color/default-color-selector.ts
+++ b/src/main/color/default-color-selector.ts
@@ -55,7 +55,7 @@ class DefaultColorSelector extends ColorSelector {
     }
 
     /**
-     * @returns {@link ColorSelectorType.Default}
+     * @returns {@link ColorSelectorType.DEFAULT}
      * @public
      */
     public get type(): ColorSelectorType {
diff --git a/src/main/color/palette/palette-color.ts b/src/main/color/palette/palette-color.ts
index 31f8c1b..209be49 100644
--- a/src/main/color/palette/palette-color.ts
+++ b/src/main/color/palette/palette-color.ts
@@ -17,7 +17,8 @@
 
 // color names derived from https://colornamer.robertcooper.me/
 
-// TODO - update release notes
+import {Discriminators} from 'discriminator';
+
 /**
  * A color to be used in a {@link Palette}.
  *
@@ -77,12 +78,5 @@ export interface PaletteColor {
     /**
      * Discriminator for determining if an object is a PaletteColor.
      */
-    readonly DISCRIMINATOR: 'I_PALETTE-COLOR';
-}
-
-//TODO - add documentation
-// TODO - add unit tests
-// TODO - add to release notes
-export function isPaletteColor(object: any): object is PaletteColor {
-    return object.DISCRIMINATOR === 'I_PALETTE-COLOR';
+    readonly DISCRIMINATOR: Discriminators.PALETTE_COLOR;
 }
diff --git a/src/main/color/palette/palette-colors/black/121212.ts b/src/main/color/palette/palette-colors/black/121212.ts
index e05539b..c8f0007 100644
--- a/src/main/color/palette/palette-colors/black/121212.ts
+++ b/src/main/color/palette/palette-colors/black/121212.ts
@@ -16,6 +16,7 @@
  */
 
 import {ColorNameManager} from 'color';
+import {Discriminators} from 'discriminator';
 import {PaletteColor} from 'palette';
 
 import {ALL_PALETTE_COLORS, BLACK_PALETTE_COLORS} from '../palette-color-maps';
@@ -38,7 +39,8 @@ export const _121212: PaletteColor = {
     HEX: '#121212',
     RGB: {R: 18, G: 18, B: 18},
     HSL: {H: 0, S: 0, L: 7},
-    NAME: 'dark tone ink'
+    NAME: 'dark tone ink',
+    DISCRIMINATOR: Discriminators.PALETTE_COLOR
 };
 
 BLACK_PALETTE_COLORS.setUndefinedKey(_121212.HEX, _121212);
diff --git a/src/main/color/palette/palette-colors/blue/0437f2.ts b/src/main/color/palette/palette-colors/blue/0437f2.ts
index 0c97f9e..de10575 100644
--- a/src/main/color/palette/palette-colors/blue/0437f2.ts
+++ b/src/main/color/palette/palette-colors/blue/0437f2.ts
@@ -16,6 +16,7 @@
  */
 
 import {ColorNameManager} from 'color';
+import {Discriminators} from 'discriminator';
 import {PaletteColor} from 'palette';
 
 import {ALL_PALETTE_COLORS, BLUE_PALETTE_COLORS} from '../palette-color-maps';
@@ -38,7 +39,8 @@ export const _0437F2: PaletteColor = {
     HEX: '#0437F2',
     RGB: {R: 4, G: 55, B: 241},
     HSL: {H: 227, S: 97, L: 48},
-    NAME: 'vibrant blue'
+    NAME: 'vibrant blue',
+    DISCRIMINATOR: Discriminators.PALETTE_COLOR
 };
 
 BLUE_PALETTE_COLORS.setUndefinedKey(_0437F2.HEX, _0437F2);
diff --git a/src/main/color/palette/palette-colors/green/0fff4f.ts b/src/main/color/palette/palette-colors/green/0fff4f.ts
index 6d16400..698c36a 100644
--- a/src/main/color/palette/palette-colors/green/0fff4f.ts
+++ b/src/main/color/palette/palette-colors/green/0fff4f.ts
@@ -16,6 +16,7 @@
  */
 
 import {ColorNameManager} from 'color';
+import {Discriminators} from 'discriminator';
 import {PaletteColor} from 'palette';
 
 import {ALL_PALETTE_COLORS, GREEN_PALETTE_COLORS} from '../palette-color-maps';
@@ -38,7 +39,8 @@ export const _0FFF4F: PaletteColor = {
     HEX: '#0FFF4F',
     RGB: {R: 15, G: 255, B: 79},
     HSL: {H: 136, S: 100, L: 53},
-    NAME: 'cathode green'
+    NAME: 'cathode green',
+    DISCRIMINATOR: Discriminators.PALETTE_COLOR
 };
 
 GREEN_PALETTE_COLORS.setUndefinedKey(_0FFF4F.HEX, _0FFF4F);
diff --git a/src/main/color/palette/palette-colors/pink/ff6bb5.ts b/src/main/color/palette/palette-colors/pink/ff6bb5.ts
index ea3adfd..6d792a0 100644
--- a/src/main/color/palette/palette-colors/pink/ff6bb5.ts
+++ b/src/main/color/palette/palette-colors/pink/ff6bb5.ts
@@ -16,6 +16,7 @@
  */
 
 import {ColorNameManager} from 'color';
+import {Discriminators} from 'discriminator';
 import {PaletteColor} from 'palette';
 
 import {ALL_PALETTE_COLORS, PINK_PALETTE_COLORS} from '../palette-color-maps';
@@ -38,7 +39,8 @@ export const _FF6BB5: PaletteColor = {
     HEX: '#FF6BB5',
     RGB: {R: 255, G: 107, B: 181},
     HSL: {H: 330, S: 100, L: 71},
-    NAME: 'fen hong pink'
+    NAME: 'fen hong pink',
+    DISCRIMINATOR: Discriminators.PALETTE_COLOR
 };
 
 PINK_PALETTE_COLORS.setUndefinedKey(_FF6BB5.HEX, _FF6BB5);
diff --git a/src/main/color/palette/palette-colors/purple/7a00f5.ts b/src/main/color/palette/palette-colors/purple/7a00f5.ts
index 7eea539..0932e2f 100644
--- a/src/main/color/palette/palette-colors/purple/7a00f5.ts
+++ b/src/main/color/palette/palette-colors/purple/7a00f5.ts
@@ -16,6 +16,7 @@
  */
 
 import {ColorNameManager} from 'color';
+import {Discriminators} from 'discriminator';
 import {PaletteColor} from 'palette';
 
 import {ALL_PALETTE_COLORS, PURPLE_PALETTE_COLORS} from '../palette-color-maps';
@@ -38,7 +39,8 @@ export const _7A00F5: PaletteColor = {
     HEX: '#7A00F5',
     RGB: {R: 122, G: 0, B: 245},
     HSL: {H: 270, S: 100, L: 48},
-    NAME: 'poison purple'
+    NAME: 'poison purple',
+    DISCRIMINATOR: Discriminators.PALETTE_COLOR
 };
 
 PURPLE_PALETTE_COLORS.setUndefinedKey(_7A00F5.HEX, _7A00F5);
diff --git a/src/main/discriminator/discriminators.ts b/src/main/discriminator/discriminators.ts
new file mode 100644
index 0000000..7d13c0d
--- /dev/null
+++ b/src/main/discriminator/discriminators.ts
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2024 brittni and the polar bear LLC.
+ *
+ * This file is a part of brittni and the polar bear's Generative Art Library,
+ * which is released under the GNU Affero General Public License, Version 3.0.
+ * You may not use this file except in compliance with the license.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. See LICENSE or go to
+ * https://www.gnu.org/licenses/agpl-3.0.en.html for full license details.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU Affero General Public License for more details.
+ */
+
+/**
+ * The collection of discriminator values for library interfaces.
+ * All values should be unique.
+ *
+ * @category Discriminator
+ */
+export enum Discriminators {
+    /**
+     * Discriminator for the {@link Palette} interface.
+     */
+    PALETTE = 'I_PALETTE',
+
+    /**
+     * Discriminator for the {@link PaletteColor} interface.
+     */
+    PALETTE_COLOR = 'I_PALETTE-COLOR',
+
+    /**
+     * Discriminator for the {@link WeightedElement} interface.
+     */
+    WEIGHTED_ELEMENT = 'I_WEIGHTED-ELEMENT'
+}
diff --git a/src/main/discriminator/index.ts b/src/main/discriminator/index.ts
new file mode 100644
index 0000000..7faa31b
--- /dev/null
+++ b/src/main/discriminator/index.ts
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2024 brittni and the polar bear LLC.
+ *
+ * This file is a part of brittni and the polar bear's Generative Art Library,
+ * which is released under the GNU Affero General Public License, Version 3.0.
+ * You may not use this file except in compliance with the license.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. See LICENSE or go to
+ * https://www.gnu.org/licenses/agpl-3.0.en.html for full license details.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU Affero General Public License for more details.
+ */
+
+export * from './discriminator';
+export * from './discriminators';
diff --git a/src/test/color/color-name/color-name-manager.test.ts b/src/test/color/color-name/color-name-manager.test.ts
index 6f49d42..1c9e58c 100644
--- a/src/test/color/color-name/color-name-manager.test.ts
+++ b/src/test/color/color-name/color-name-manager.test.ts
@@ -18,8 +18,9 @@
 import nearestColor from 'nearest-color';
 
 import {ColorNameManager} from 'color';
+import {Discriminators} from 'discriminator';
 import {StringMap} from 'map';
-import {PaletteColor} from "palette";
+import {PaletteColor} from 'palette';
 
 describe('color name manager test', (): void => {
     let nearestColorSpy: any;
@@ -78,7 +79,8 @@ describe('color name manager test', (): void => {
            RGB: {R: 0, G: 0, B: 0},
            HSL: {H: 0, S: 0, L: 0},
            HEX: '#000000',
-           NAME: 'test fake color'
+           NAME: 'test fake color',
+           DISCRIMINATOR: Discriminators.PALETTE_COLOR
        };
 
        const hex: string = fakeColor.HEX;
diff --git a/src/test/discriminator/discriminator.test.ts b/src/test/discriminator/discriminator.test.ts
new file mode 100644
index 0000000..99b4503
--- /dev/null
+++ b/src/test/discriminator/discriminator.test.ts
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2024 brittni and the polar bear LLC.
+ *
+ * This file is a part of brittni and the polar bear's Generative Art Library,
+ * which is released under the GNU Affero General Public License, Version 3.0.
+ * You may not use this file except in compliance with the license.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. See LICENSE or go to
+ * https://www.gnu.org/licenses/agpl-3.0.en.html for full license details.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU Affero General Public License for more details.
+ */
+
+import {Discriminator, Discriminators} from 'discriminator';
+import {PaletteColor} from 'palette';
+import {_0FFF4F} from 'palette-colors';
+
+describe('discriminator tests', (): void => {
+    describe('discriminator tests: isPaletteColor', (): void => {
+        test('PaletteColor discriminator method: null', (): void => {
+            expect(Discriminator.isPaletteColor(null)).toBeFalsy();
+        });
+
+        test('PaletteColor discriminator method: undefined', (): void => {
+            expect(Discriminator.isPaletteColor(undefined)).toBeFalsy();
+        });
+
+        test('PaletteColor discriminator method: number', (): void => {
+            expect(Discriminator.isPaletteColor(10)).toBeFalsy();
+        });
+
+        test('PaletteColor discriminator method: string', (): void => {
+            expect(Discriminator.isPaletteColor('my test string')).toBeFalsy();
+        });
+
+        test('PaletteColor discriminator method: boolean', (): void => {
+            expect(Discriminator.isPaletteColor(true)).toBeFalsy();
+        });
+
+        test('PaletteColor discriminator method: other object', (): void => {
+            const myObject: {KEY: string} = {
+                KEY: 'the key'
+            }
+
+            expect(Discriminator.isPaletteColor(myObject)).toBeFalsy();
+        });
+
+        test('PaletteColor discriminator method: other object with discriminator', (): void => {
+            const myObject: {KEY: string, DISCRIMINATOR: 'other'} = {
+                KEY: 'the key',
+                DISCRIMINATOR: 'other'
+            }
+
+            expect(Discriminator.isPaletteColor(myObject)).toBeFalsy();
+        });
+
+        test('PaletteColor discriminator method: PaletteColor', (): void => {
+            expect(Discriminator.isPaletteColor(_0FFF4F)).toBeTruthy();
+        });
+
+        test('PaletteColor discriminator method: Fake PaletteColor', (): void => {
+            const fakeColor: PaletteColor = {
+                RGB: {R: 0, G: 0, B: 0},
+                HSL: {H: 0, S: 0, L: 0},
+                HEX: '#000000',
+                NAME: 'test fake color',
+                DISCRIMINATOR: Discriminators.PALETTE_COLOR
+            };
+
+            expect(Discriminator.isPaletteColor(fakeColor)).toBeTruthy();
+        });
+    });
+});
diff --git a/src/test/discriminator/discriminators.test.ts b/src/test/discriminator/discriminators.test.ts
new file mode 100644
index 0000000..769aba5
--- /dev/null
+++ b/src/test/discriminator/discriminators.test.ts
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2024 brittni and the polar bear LLC.
+ *
+ * This file is a part of brittni and the polar bear's Generative Art Library,
+ * which is released under the GNU Affero General Public License, Version 3.0.
+ * You may not use this file except in compliance with the license.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. See LICENSE or go to
+ * https://www.gnu.org/licenses/agpl-3.0.en.html for full license details.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU Affero General Public License for more details.
+ */
+
+import {Discriminators} from 'discriminator';
+
+describe('discriminators tests', (): void => {
+    test('all discriminators are unique', (): void => {
+        const valuesSet: Set<string> = new Set<string>(Object.values(Discriminators))
+        expect(valuesSet.size).toBe(Object.values(Discriminators).length);
+    })
+});
diff --git a/tsconfig.json b/tsconfig.json
index 846d2bf..1ae6d33 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -12,6 +12,7 @@
     "paths": {
       "color": ["./src/main/color"],
       "context": ["./src/main/p5"],
+      "discriminator": ["./src/main/discriminator"],
       "map": ["./src/main/map"],
       "math": ["./src/main/math"],
       "palette": ["./src/main/color/palette"],