diff --git a/src/style_manager/view/PropertyColorView.js b/src/style_manager/view/PropertyColorView.ts
similarity index 73%
rename from src/style_manager/view/PropertyColorView.js
rename to src/style_manager/view/PropertyColorView.ts
index 112ee08ff..2cc07c80f 100644
--- a/src/style_manager/view/PropertyColorView.js
+++ b/src/style_manager/view/PropertyColorView.ts
@@ -2,7 +2,7 @@ import PropertyNumberView from './PropertyNumberView';
 import InputColor from '../../domain_abstract/ui/InputColor';
 
 export default class PropertyColorView extends PropertyNumberView {
-  setValue(value) {
+  setValue(value: string) {
     this.inputInst?.setValue(value, {
       fromTarget: 1,
       def: this.model.getDefaultValue(),
@@ -10,13 +10,15 @@ export default class PropertyColorView extends PropertyNumberView {
   }
 
   remove() {
-    PropertyNumberView.prototype.remove.apply(this, arguments);
+    PropertyNumberView.prototype.remove.apply(this, arguments as any);
     const inp = this.inputInst;
     inp && inp.remove && inp.remove();
+    // @ts-ignore
     ['inputInst', '$color'].forEach(i => (this[i] = null));
+    return this;
   }
 
-  __handleChange(value, partial) {
+  __handleChange(value: string, partial: boolean) {
     this.model.upValue(value, { partial });
   }
 
@@ -31,8 +33,8 @@ export default class PropertyColorView extends PropertyNumberView {
         onChange: this.__handleChange,
       });
       const input = inputColor.render();
-      el.querySelector(`.${ppfx}fields`).appendChild(input.el);
-      this.input = input.inputEl.get(0);
+      el.querySelector(`.${ppfx}fields`)!.appendChild(input.el);
+      this.input = input.inputEl?.get(0) as HTMLInputElement;
       this.inputInst = input;
     }
   }
diff --git a/src/style_manager/view/PropertyNumberView.ts b/src/style_manager/view/PropertyNumberView.ts
index dd4727e14..24e6bb854 100644
--- a/src/style_manager/view/PropertyNumberView.ts
+++ b/src/style_manager/view/PropertyNumberView.ts
@@ -13,7 +13,7 @@ export default class PropertyNumberView extends PropertyView {
     this.listenTo(model, 'change:units', this.render);
   }
 
-  setValue() {
+  setValue(v: string) {
     // handled by this.inputInst
   }