diff --git a/README.md b/README.md
index 0987dc5..2c4d62f 100644
--- a/README.md
+++ b/README.md
@@ -33,10 +33,10 @@ color.rgb // { r: 34, g: 114, b: 235 }
 color.rgba // { r: 34, g: 114, b: 235, a: 1 }
 
 const [color] = useColor('rgb(34, 114, 235)')
-color.string.hex // #2272eb
+color.strings.hex // #2272eb
 
 const [color] = useColor('rgba(34, 114, 235, 0.5)')
-color.string.hex // #2272eb80
+color.strings.hex // #2272eb80
 color.rgb // { r: 34, g: 114, b: 235 }
 color.rgba // { r: 34, g: 114, b: 235, a: 0.5 }
 ```
@@ -45,9 +45,9 @@ color.rgba // { r: 34, g: 114, b: 235, a: 0.5 }
 ```tsx
 const [color] = useColor({ r: 255, g: 255, b: 255 })
 
-color.string.hex // '#ffffff'
-color.string.rgb // 'rgb(255, 255, 255)'
-color.string.rgba // 'rgb(255, 255, 255, 1)'
+color.strings.hex // '#ffffff'
+color.strings.rgb // 'rgb(255, 255, 255)'
+color.strings.rgba // 'rgb(255, 255, 255, 1)'
 ```
 
 ### Stringify Options
diff --git a/src/useColor.ts b/src/useColor.ts
index 989c409..1f41b9d 100644
--- a/src/useColor.ts
+++ b/src/useColor.ts
@@ -25,8 +25,7 @@ export const useColor = <Str extends string>(
         | ((prevColor: RgbaObject) => ColorInput<NewString>),
     ) => {
       if (typeof nextColor === 'function') {
-        const nextColorInput = nextColor(color.rgba)
-        setColor(parseColor(nextColorInput))
+        setColor((currentColor) => parseColor(nextColor(currentColor.rgba)))
         return
       }
       setColor(parseColor(nextColor, config))