diff --git a/frontend/src/model/photo.js b/frontend/src/model/photo.js
index 06ddcebd0..75cee0d81 100644
--- a/frontend/src/model/photo.js
+++ b/frontend/src/model/photo.js
@@ -43,7 +43,7 @@ export const FormatMp4 = "mp4";
 export const FormatAvc = "avc";
 export const FormatJpeg = "jpg";
 export const TypeImage = "image";
-export const TypeVideo= "video";
+export const TypeVideo = "video";
 export const TypeLive = "live";
 export const TypeRaw = "raw";
 export const YearUnknown = -1;
@@ -67,7 +67,7 @@ export class Photo extends RestModel {
             TakenSrc: "",
             TimeZone: "",
             Path: "",
-            Color: "",
+            Color: 0,
             Name: "",
             OriginalName: "",
             Title: "",
diff --git a/internal/entity/photo.go b/internal/entity/photo.go
index 7257204c6..ca936d255 100644
--- a/internal/entity/photo.go
+++ b/internal/entity/photo.go
@@ -80,6 +80,7 @@ type Photo struct {
 	PhotoFocalLength int          `json:"FocalLength" yaml:"FocalLength,omitempty"`
 	PhotoQuality     int          `gorm:"type:SMALLINT" json:"Quality" yaml:"-"`
 	PhotoResolution  int          `gorm:"type:SMALLINT" json:"Resolution" yaml:"-"`
+	PhotoColor       uint8        `json:"Color" yaml:"-"`
 	CameraID         uint         `gorm:"index:idx_photos_camera_lens;default:1" json:"CameraID" yaml:"-"`
 	CameraSerial     string       `gorm:"type:VARBINARY(255);" json:"CameraSerial" yaml:"CameraSerial,omitempty"`
 	CameraSrc        string       `gorm:"type:VARBINARY(8);" json:"CameraSrc" yaml:"-"`
diff --git a/internal/photoprism/index_mediafile.go b/internal/photoprism/index_mediafile.go
index 72b472ce8..218edae3f 100644
--- a/internal/photoprism/index_mediafile.go
+++ b/internal/photoprism/index_mediafile.go
@@ -305,6 +305,10 @@ func (ind *Index) MediaFile(m *MediaFile, o IndexOptions, originalName string) (
 			file.FileLuminance = p.Luminance.Hex()
 			file.FileDiff = p.Luminance.Diff()
 			file.FileChroma = p.Chroma.Value()
+
+			if file.FilePrimary {
+				photo.PhotoColor = p.MainColor.Uint8()
+			}
 		}
 
 		if m.Width() > 0 && m.Height() > 0 {
diff --git a/internal/query/photo_results.go b/internal/query/photo_results.go
index 06cc2f47c..e98bbaed2 100644
--- a/internal/query/photo_results.go
+++ b/internal/query/photo_results.go
@@ -40,6 +40,7 @@ type PhotoResult struct {
 	PhotoExposure    string        `json:"Exposure"`
 	PhotoQuality     int           `json:"Quality"`
 	PhotoResolution  int           `json:"Resolution"`
+	PhotoColor       uint8         `json:"Color"`
 	PhotoScan        bool          `json:"Scan"`
 	PhotoPanorama    bool          `json:"Panorama"`
 	CameraID         uint          `json:"CameraID"` // Camera
diff --git a/internal/query/photo_search.go b/internal/query/photo_search.go
index fda3274c1..b655940d8 100644
--- a/internal/query/photo_search.go
+++ b/internal/query/photo_search.go
@@ -358,7 +358,7 @@ func PhotoSearch(f form.PhotoSearch) (results PhotoResults, count int, err error
 		s = s.Order("photos.id DESC, files.file_primary DESC")
 	case entity.SortOrderSimilar:
 		s = s.Where("files.file_diff > 0")
-		s = s.Order("files.file_main_color, photos.cell_id, files.file_diff, taken_at DESC, files.file_primary DESC")
+		s = s.Order("photos.photo_color, photos.cell_id, files.file_diff, taken_at DESC, files.file_primary DESC")
 	case entity.SortOrderName:
 		s = s.Order("photos.photo_path, photos.photo_name, files.file_primary DESC")
 	default:
diff --git a/pkg/colors/colors.go b/pkg/colors/colors.go
index 215b31c9d..0b90f7adc 100644
--- a/pkg/colors/colors.go
+++ b/pkg/colors/colors.go
@@ -37,7 +37,7 @@ import (
 	"strings"
 )
 
-type Color uint16
+type Color uint8
 type Colors []Color
 
 type Chroma uint8
@@ -122,6 +122,10 @@ func (c Color) Name() string {
 	return Names[c]
 }
 
+func (c Color) Uint8() uint8 {
+	return uint8(c)
+}
+
 func (c Color) Hex() string {
 	return fmt.Sprintf("%X", c)
 }