diff --git a/tests/src/test_cases/test_palette.c b/tests/src/test_cases/test_palette.c
new file mode 100644
index 0000000000..2d3307813c
--- /dev/null
+++ b/tests/src/test_cases/test_palette.c
@@ -0,0 +1,111 @@
+#if LV_BUILD_TEST
+#include "../../../src/misc/lv_palette.h"
+#include "../lvgl.h"
+
+#include "unity/unity.h"
+
+void setUp(void)
+{
+    /* Function run before every test */
+}
+
+void tearDown(void)
+{
+    /* Function run after every test */
+}
+
+/* Test lv_palette_main with all palette colors */
+void test_palette_main_all_colors(void)
+{
+    for(lv_palette_t p = LV_PALETTE_RED; p < LV_PALETTE_LAST; p++) {
+        lv_color_t color = lv_palette_main(p);
+        TEST_ASSERT_FALSE(lv_color_eq(lv_color_black(), color));
+    }
+}
+
+/* Test lv_palette_main with invalid palette */
+void test_palette_main_invalid(void)
+{
+    lv_color_t color = lv_palette_main(LV_PALETTE_LAST);
+    TEST_ASSERT_EQUAL_COLOR(lv_color_black(), color);
+
+    color = lv_palette_main(LV_PALETTE_NONE);
+    TEST_ASSERT_EQUAL_COLOR(lv_color_black(), color);
+}
+
+/* Test lv_palette_lighten with all levels */
+void test_palette_lighten_all_levels(void)
+{
+    for(lv_palette_t p = LV_PALETTE_RED; p < LV_PALETTE_LAST; p++) {
+        for(uint8_t lvl = 1; lvl <= 5; lvl++) {
+            lv_color_t color = lv_palette_lighten(p, lvl);
+            TEST_ASSERT_FALSE(lv_color_eq(lv_color_black(), color));
+        }
+    }
+}
+
+/* Test lv_palette_lighten with invalid levels */
+void test_palette_lighten_invalid(void)
+{
+    lv_color_t color = lv_palette_lighten(LV_PALETTE_RED, 0);
+    TEST_ASSERT_EQUAL_COLOR(lv_color_black(), color);
+
+    color = lv_palette_lighten(LV_PALETTE_RED, 6);
+    TEST_ASSERT_EQUAL_COLOR(lv_color_black(), color);
+}
+
+/* Test lv_palette_darken with all levels */
+void test_palette_darken_all_levels(void)
+{
+    for(lv_palette_t p = LV_PALETTE_RED; p < LV_PALETTE_LAST; p++) {
+        for(uint8_t lvl = 1; lvl <= 4; lvl++) {
+            lv_color_t color = lv_palette_darken(p, lvl);
+            TEST_ASSERT_FALSE(lv_color_eq(lv_color_black(), color));
+        }
+    }
+}
+
+/* Test lv_palette_darken with invalid levels */
+void test_palette_darken_invalid(void)
+{
+    lv_color_t color = lv_palette_darken(LV_PALETTE_RED, 0);
+    TEST_ASSERT_EQUAL_COLOR(lv_color_black(), color);
+
+    color = lv_palette_darken(LV_PALETTE_RED, 5);
+    TEST_ASSERT_EQUAL_COLOR(lv_color_black(), color);
+}
+
+/* Test specific color values */
+void test_palette_specific_values(void)
+{
+    /* Test red color */
+    lv_color_t red = lv_palette_main(LV_PALETTE_RED);
+    TEST_ASSERT_EQUAL_HEX32(0xF44336, lv_color_to_int(red));
+
+    /* Test light blue level 3 */
+    lv_color_t light_blue = lv_palette_lighten(LV_PALETTE_LIGHT_BLUE, 3);
+    TEST_ASSERT_EQUAL_HEX32(0x81D4FA, lv_color_to_int(light_blue));
+}
+
+/* Test lv_palette_main with out-of-range palette index */
+void test_palette_main_out_of_range(void)
+{
+    lv_color_t color = lv_palette_main(LV_PALETTE_LAST + 1);
+    TEST_ASSERT_EQUAL_COLOR(lv_color_black(), color);
+}
+
+/* Test lv_palette_lighten with out-of-range palette index */
+void test_palette_lighten_out_of_range(void)
+{
+    lv_color_t color = lv_palette_lighten(LV_PALETTE_LAST + 1, 1);
+    TEST_ASSERT_EQUAL_COLOR(lv_color_black(), color);
+}
+
+/* Test lv_palette_darken with out-of-range palette index */
+void test_palette_darken_out_of_range(void)
+{
+    lv_color_t color = lv_palette_darken(LV_PALETTE_LAST + 1, 1);
+    TEST_ASSERT_EQUAL_COLOR(lv_color_black(), color);
+}
+
+#endif