diff --git a/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/FMImageEditorViewController.swift b/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/FMImageEditorViewController.swift
index 074fa0a..e6edcc2 100644
--- a/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/FMImageEditorViewController.swift
+++ b/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/FMImageEditorViewController.swift
@@ -351,8 +351,8 @@ public class FMImageEditorViewController: UIViewController {
     }
     
     private func openFiltersMenu() {
-        filterMenuButton.tintColor = kRedColor
-        filterMenuButton.setTitleColor(kRedColor, for: .normal)
+        filterMenuButton.tintColor = kThemeColor
+        filterMenuButton.setTitleColor(kThemeColor, for: .normal)
         cropMenuButton.tintColor = kBlackColor
         cropMenuButton.setTitleColor(kBlackColor, for: .normal)
         
@@ -369,8 +369,8 @@ public class FMImageEditorViewController: UIViewController {
     }
     
     private func openCropsMenu() {
-        cropMenuButton.tintColor = kRedColor
-        cropMenuButton.setTitleColor(kRedColor, for: .normal)
+        cropMenuButton.tintColor = kThemeColor
+        cropMenuButton.setTitleColor(kThemeColor, for: .normal)
         filterMenuButton.tintColor = kBlackColor
         filterMenuButton.setTitleColor(kBlackColor, for: .normal)
         
diff --git a/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/Views/Crop/FMCropCropBoxCornersView.swift b/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/Views/Crop/FMCropCropBoxCornersView.swift
index 5012bac..f1481a4 100644
--- a/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/Views/Crop/FMCropCropBoxCornersView.swift
+++ b/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/Views/Crop/FMCropCropBoxCornersView.swift
@@ -76,17 +76,17 @@ class FMCropCropBoxCornersView: UIView {
         borderView.layer.borderWidth = borderWidth
         borderView.layer.borderColor = UIColor.white.cgColor
         
-        topLeftView.backgroundColor = kRedColor
-        topRightView.backgroundColor = kRedColor
+        topLeftView.backgroundColor = kThemeColor
+        topRightView.backgroundColor = kThemeColor
         
-        rightTopView.backgroundColor = kRedColor
-        rightBottomView.backgroundColor = kRedColor
+        rightTopView.backgroundColor = kThemeColor
+        rightBottomView.backgroundColor = kThemeColor
         
-        bottomRightView.backgroundColor = kRedColor
-        bottomLeftView.backgroundColor = kRedColor
+        bottomRightView.backgroundColor = kThemeColor
+        bottomLeftView.backgroundColor = kThemeColor
         
-        leftBottomView.backgroundColor = kRedColor
-        leftTopView.backgroundColor = kRedColor
+        leftBottomView.backgroundColor = kThemeColor
+        leftTopView.backgroundColor = kThemeColor
         
         addSubview(borderView)
         
diff --git a/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/Views/FMCropCell.swift b/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/Views/FMCropCell.swift
index 0e0b064..408694a 100644
--- a/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/Views/FMCropCell.swift
+++ b/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/Views/FMCropCell.swift
@@ -41,9 +41,9 @@ class FMCropCell: UICollectionViewCell {
     public func setSelected() {
         let tintedImage = imageView.image?.withRenderingMode(.alwaysTemplate)
         imageView.image = tintedImage
-        imageView.tintColor = kRedColor
+        imageView.tintColor = kThemeColor
         
-        name.textColor = kRedColor
+        name.textColor = kThemeColor
     }
     
     public func setDeselected() {
diff --git a/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/Views/FMFilterCell.swift b/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/Views/FMFilterCell.swift
index 3638714..c314b4f 100644
--- a/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/Views/FMFilterCell.swift
+++ b/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/Views/FMFilterCell.swift
@@ -30,7 +30,7 @@ class FMFilterCell: UICollectionViewCell {
         selectCircleView.frame = imageView.frame.insetBy(dx: -3, dy: -3)
         selectCircleView.layer.cornerRadius = selectCircleView.frame.width / 2
         selectCircleView.layer.borderWidth = 2
-        selectCircleView.layer.borderColor = kRedColor.cgColor
+        selectCircleView.layer.borderColor = kThemeColor.cgColor
         
         // hide selectCircleView by default
         selectCircleView.isHidden = true
@@ -54,7 +54,7 @@ class FMFilterCell: UICollectionViewCell {
     
     public func setSelected() {
         selectCircleView.isHidden = false
-        name.textColor = kRedColor
+        name.textColor = kThemeColor
     }
     
     public func setDeselected() {
diff --git a/FMPhotoPicker/FMPhotoPicker/source/Utilities/Const.swift b/FMPhotoPicker/FMPhotoPicker/source/Utilities/Const.swift
index e8b1f8c..c966951 100644
--- a/FMPhotoPicker/FMPhotoPicker/source/Utilities/Const.swift
+++ b/FMPhotoPicker/FMPhotoPicker/source/Utilities/Const.swift
@@ -17,12 +17,14 @@ internal let kRedColor = UIColor(red: 1, green: 81/255, blue: 81/255, alpha: 1)
 internal let kGrayColor = UIColor(red: 114/255, green: 114/255, blue: 114/255, alpha: 1)
 internal let kBlackColor = UIColor(red: 0, green: 0, blue: 0, alpha: 1)
 internal let kBackgroundColor = UIColor(red: 242/255, green: 242/255, blue: 242/255, alpha: 1)
+public var kThemeColor: UIColor = kRedColor
 internal let kTransparentBackgroundColor = UIColor(white: 1, alpha: 0.9)
 internal let kBorderColor = UIColor(red: 221/255, green: 221/255, blue: 221/255, alpha: 1)
 
 internal let kDefaultFilter = FMFilter.None
 internal let kDefaultCrop = FMCrop.ratioCustom
 
+
 internal let kEpsilon: CGFloat = 0.01
 
 internal let kFilterPreviewImageSize = CGSize(width: 90, height: 90)
diff --git a/FMPhotoPicker/FMPhotoPicker/source/Utilities/FMPhotoPickerConfig.swift b/FMPhotoPicker/FMPhotoPicker/source/Utilities/FMPhotoPickerConfig.swift
index 3306e1e..ea7ac34 100644
--- a/FMPhotoPicker/FMPhotoPicker/source/Utilities/FMPhotoPickerConfig.swift
+++ b/FMPhotoPicker/FMPhotoPicker/source/Utilities/FMPhotoPickerConfig.swift
@@ -8,6 +8,7 @@
 
 import Foundation
 import Photos
+import UIKit
 
 public enum FMSelectMode {
     case multiple
@@ -51,6 +52,11 @@ public struct FMPhotoPickerConfig {
     public var availableCrops: [FMCroppable]? = kDefaultAvailableCrops
     public var useCropFirst: Bool = false
     public var alertController: FMAlertable = FMAlert()
+    public var themeColor: UIColor = kRedColor {
+        didSet {
+            kThemeColor = themeColor
+        }
+    }
 
     /// Whether you want FMPhotoPicker returns PHAsset instead of UIImage.
     public var shouldReturnAsset: Bool = false
@@ -91,6 +97,6 @@ public struct FMPhotoPickerConfig {
     ]
     
     public init() {
-        
+
     }
 }
diff --git a/FMPhotoPickerExample/FMPhotoPickerExample/ViewController.swift b/FMPhotoPickerExample/FMPhotoPickerExample/ViewController.swift
index 6477334..fb5fc8c 100644
--- a/FMPhotoPickerExample/FMPhotoPickerExample/ViewController.swift
+++ b/FMPhotoPickerExample/FMPhotoPickerExample/ViewController.swift
@@ -89,6 +89,7 @@ class ViewController: UIViewController, FMPhotoPickerViewControllerDelegate, FMI
         config.maxVideo = self.maxVideo
         config.forceCropEnabled = forceCropEnabled.isOn
         config.eclipsePreviewEnabled = eclipsePreviewEnabled.isOn
+        config.themeColor = .purple
         
         // in force crop mode, only the first crop option is available
         config.availableCrops = [