diff --git a/src/opendisplay/display_palettes.py b/src/opendisplay/display_palettes.py
index e687803..698b538 100644
--- a/src/opendisplay/display_palettes.py
+++ b/src/opendisplay/display_palettes.py
@@ -1,5 +1,8 @@
 """Automatic measured palette selection and panel capability data for e-paper displays."""
 
+from typing import cast
+
+import epaper_dithering as _epaper_dithering
 from epaper_dithering import (
     BWRY_3_97,
     MONO_4_26,
@@ -9,6 +12,7 @@
     ColorScheme,
 )
 
+INKPLATE_6COLOR = cast(ColorPalette | None, getattr(_epaper_dithering, "INKPLATE_6COLOR", None))
 # Panel IDs that support 4-gray mode (from firmware mapEpd)
 PANELS_4GRAY: frozenset[int] = frozenset(
     {
@@ -59,6 +63,11 @@ def get_gray4_codes(panel_ic_type: int | None) -> tuple[int, int, int, int]:
     # (?, ColorScheme.BWY): HANSHOW_BWY,
 }
 
+_BWGBRYO = cast(ColorScheme | None, getattr(ColorScheme, "BWGBRYO", None))
+if _BWGBRYO is not None and INKPLATE_6COLOR is not None:
+    # Inkplate 6COLOR 7-color ACeP (EP585C_600x448 / panel_ic_type 0x0043)
+    DISPLAY_PALETTE_MAP[(0x0043, _BWGBRYO)] = INKPLATE_6COLOR
+
 
 def get_palette_for_display(
     panel_ic_type: int | None,
diff --git a/src/opendisplay/encoding/images.py b/src/opendisplay/encoding/images.py
index bbf6b4e..adfae08 100644
--- a/src/opendisplay/encoding/images.py
+++ b/src/opendisplay/encoding/images.py
@@ -87,6 +87,10 @@ def encode_image(
         # 6-color Spectra 6 display uses 4bpp with special firmware values
         # Palette indices 0-5 map to firmware values 0,1,2,3,5,6 (4 is skipped!)
         return encode_4bpp(image, bwgbry_mapping=True)
+    if color_scheme == getattr(ColorScheme, "BWGBRYO", None):
+        # 7-color ACeP (Inkplate 6COLOR) uses 4bpp. The BWGBRYO palette is already
+        # ordered to the panel's native nibble codes (0..6), so indices map directly.
+        return encode_4bpp(image)
     if color_scheme == ColorScheme.GRAYSCALE_4:
         return encode_2bpp(image)
     if color_scheme == ColorScheme.GRAYSCALE_16: