diff --git a/CHANGELOG.md b/CHANGELOG.md
index d5778ebe..8a90260b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 ## Changelog
 
+### [13.14.3](https://kaos.sh/ek/13.14.3)
+
+- `[color]` Added `fmt.GoStringer` support for structs
+- `[color]` Code refactoring
+
 ### [13.14.2](https://kaos.sh/ek/13.14.2)
 
 - `[log]` Added variable `LogLevels` with all supported log level names
diff --git a/color/color.go b/color/color.go
index fee183be..26e7f4d4 100644
--- a/color/color.go
+++ b/color/color.go
@@ -336,51 +336,82 @@ func (c Hex) ToWeb(useCaps, allowShorthand bool) string {
 	return "#" + k
 }
 
+// String returns string representation of hex color
+func (c Hex) String() string {
+	return c.ToWeb(true, false)
+}
+
 // String returns string representation of RGB color
 func (c RGB) String() string {
-	return fmt.Sprintf(
-		"RGB{R:%d G:%d B:%d}",
-		c.R, c.G, c.B,
-	)
+	return fmt.Sprintf("%d,%d,%d", c.R, c.G, c.B)
+}
+
+// GoString returns Go representation of RGB color
+func (c RGB) GoString() string {
+	return fmt.Sprintf("RGB{R:%d, G:%d, B:%d}", c.R, c.G, c.B)
 }
 
 // String returns string representation of RGBA color
 func (c RGBA) String() string {
-	return fmt.Sprintf(
-		"RGBA{R:%d G:%d B:%d A:%.2f}",
-		c.R, c.G, c.B, float64(c.A)/255.0,
-	)
+	return fmt.Sprintf("%d,%d,%d,%.2f", c.R, c.G, c.B, float64(c.A)/255.0)
 }
 
-// String returns string representation of hex color
-func (c Hex) String() string {
-	return fmt.Sprintf("Hex{%s}", c.ToWeb(true, false))
+// GoString returns Go representation of RGBA color
+func (c RGBA) GoString() string {
+	if c.A == 0 {
+		return fmt.Sprintf("RGBA{R:%d, G:%d, B:%d}", c.R, c.G, c.B)
+	}
+
+	return fmt.Sprintf("RGBA{R:%d, G:%d, B:%d, A:%d}", c.R, c.G, c.B, c.A)
 }
 
 // String returns string representation of CMYK color
 func (c CMYK) String() string {
 	return fmt.Sprintf(
-		"CMYK{C:%.0f%% M:%.0f%% Y:%.0f%% K:%.0f%%}",
+		"%.0f%%,%.0f%%,%.0f%%,%.0f%%",
 		c.C*100.0, c.M*100.0, c.Y*100.0, c.K*100.0,
 	)
 }
 
+// GoString returns Go representation of CMYK color
+func (c CMYK) GoString() string {
+	return fmt.Sprintf("CMYK{C:%g, M:%g, Y:%g, K:%g}", c.C, c.M, c.Y, c.K)
+}
+
 // String returns string representation of HSV color
 func (c HSV) String() string {
 	return fmt.Sprintf(
-		"HSV{H:%.0f° S:%.0f%% V:%.0f%% A:%.0f%%}",
+		"%.0f°,%.0f%%,%.0f%%,%.0f%%",
 		c.H*360, c.S*100, c.V*100, c.A*100,
 	)
 }
 
+// GoString returns Go representation of HSV color
+func (c HSV) GoString() string {
+	if c.A == 0 {
+		return fmt.Sprintf("HSV{H:%g, S:%g, V:%g}", c.H, c.S, c.V)
+	}
+
+	return fmt.Sprintf("HSV{H:%g, S:%g, V:%g, A:%g}", c.H, c.S, c.V, c.A)
+}
+
 // String returns string representation of HSL color
 func (c HSL) String() string {
 	return fmt.Sprintf(
-		"HSL{H:%.0f° S:%.0f%% L:%.0f%% A:%.0f%%}",
+		"%.0f°,%.0f%%,%.0f%%,%.0f%%",
 		c.H*360, c.S*100, c.L*100, c.A*100,
 	)
 }
 
+// GoString returns Go representation of HSL color
+func (c HSL) GoString() string {
+	if c.A == 0 {
+		return fmt.Sprintf("HSL{H:%g, S:%g, L:%g}", c.H, c.S, c.L)
+	}
+
+	return fmt.Sprintf("HSL{H:%g, S:%g, L:%g, A:%g}", c.H, c.S, c.L, c.A)
+}
+
 // ////////////////////////////////////////////////////////////////////////////////// //
 
 // Parse parses color
diff --git a/color/color_test.go b/color/color_test.go
index c515c81f..7addb8c5 100644
--- a/color/color_test.go
+++ b/color/color_test.go
@@ -70,7 +70,8 @@ func (s *ColorSuite) TestRGB(c *C) {
 	c.Assert(RGB{255, 255, 255}.ToHex().v, DeepEquals, uint32(0xFFFFFF))
 	c.Assert(RGB{127, 127, 127}.ToHex().v, DeepEquals, uint32(0x7F7F7F))
 
-	c.Assert(RGB{23, 182, 89}.String(), Equals, "RGB{R:23 G:182 B:89}")
+	c.Assert(RGB{23, 182, 89}.String(), Equals, "23,182,89")
+	c.Assert(RGB{23, 182, 89}.GoString(), Equals, "RGB{R:23, G:182, B:89}")
 }
 
 func (s *ColorSuite) TestHex(c *C) {
@@ -78,8 +79,8 @@ func (s *ColorSuite) TestHex(c *C) {
 	c.Assert(NewHex(0xFFFFFF).ToRGB(), DeepEquals, RGB{0xFF, 0xFF, 0xFF})
 	c.Assert(NewHex(0x49d62d).ToRGB(), DeepEquals, RGB{0x49, 0xd6, 0x2d})
 
-	c.Assert(NewHex(0x49d62d).String(), Equals, "Hex{#49D62D}")
-	c.Assert(NewHex(0x49d62df7).String(), Equals, "Hex{#49D62DF7}")
+	c.Assert(NewHex(0x49d62d).String(), Equals, "#49D62D")
+	c.Assert(NewHex(0x49d62df7).String(), Equals, "#49D62DF7")
 	c.Assert(NewHex(0x49d62d).ToWeb(false, false), Equals, "#49d62d")
 	c.Assert(NewHex(0x49d62df7).ToWeb(true, false), Equals, "#49D62DF7")
 	c.Assert(NewHex(0x49d62df7).ToWeb(false, false), Equals, "#49d62df7")
@@ -104,11 +105,13 @@ func (s *ColorSuite) TestRGBA(c *C) {
 	c.Assert(NewHex(0xFFAABB).IsRGBA(), Equals, false)
 	c.Assert(NewHex(0xFFAABB01).IsRGBA(), Equals, true)
 
-	c.Assert(RGBA{23, 182, 89, 130}.String(), Equals, "RGBA{R:23 G:182 B:89 A:0.51}")
+	c.Assert(RGBA{23, 182, 89, 130}.String(), Equals, "23,182,89,0.51")
 
 	clr := RGBA{23, 182, 89, 0}
-	c.Assert(clr.String(), Equals, "RGBA{R:23 G:182 B:89 A:0.00}")
-	c.Assert(clr.WithAlpha(0.23).String(), Equals, "RGBA{R:23 G:182 B:89 A:0.23}")
+	c.Assert(clr.String(), Equals, "23,182,89,0.00")
+	c.Assert(clr.GoString(), Equals, "RGBA{R:23, G:182, B:89}")
+	c.Assert(clr.WithAlpha(0.23).String(), Equals, "23,182,89,0.23")
+	c.Assert(clr.WithAlpha(0.23).GoString(), Equals, "RGBA{R:23, G:182, B:89, A:58}")
 }
 
 func (s *ColorSuite) TestCMYK(c *C) {
@@ -121,7 +124,8 @@ func (s *ColorSuite) TestCMYK(c *C) {
 	c.Assert(CMYK{0.0, 0.0, 0.0, 1.0}.ToRGB(), DeepEquals, RGB{0, 0, 0})
 	c.Assert(CMYK{0.64, 0.77, 0, 0.17}.ToRGB(), DeepEquals, RGB{76, 48, 211})
 
-	c.Assert(CMYK{0.64, 0.77, 0, 0.17}.String(), Equals, "CMYK{C:64% M:77% Y:0% K:17%}")
+	c.Assert(CMYK{0.64, 0.77, 0, 0.17}.String(), Equals, "64%,77%,0%,17%")
+	c.Assert(CMYK{0.64, 0.77, 0, 0.17}.GoString(), Equals, "CMYK{C:0.64, M:0.77, Y:0, K:0.17}")
 }
 
 func (s *ColorSuite) TestHSV(c *C) {
@@ -143,8 +147,10 @@ func (s *ColorSuite) TestHSV(c *C) {
 
 	c.Assert(HSV{0.32, 0.12, 0.76, 0.5}.ToRGBA(), DeepEquals, RGBA{172, 193, 170, 127})
 
-	c.Assert(RGB{73, 158, 105}.ToHSV().String(), Equals, "HSV{H:143° S:54% V:62% A:0%}")
-	c.Assert(RGBA{73, 158, 105, 127}.ToHSV().String(), Equals, "HSV{H:143° S:54% V:62% A:50%}")
+	c.Assert(RGB{73, 158, 105}.ToHSV().String(), Equals, "143°,54%,62%,0%")
+	c.Assert(RGB{73, 158, 105}.ToHSV().GoString(), Equals, "HSV{H:0.396078431372549, S:0.5379746835443039, V:0.6196078431372549}")
+	c.Assert(RGBA{73, 158, 105, 127}.ToHSV().String(), Equals, "143°,54%,62%,50%")
+	c.Assert(RGBA{73, 158, 105, 127}.ToHSV().GoString(), Equals, "HSV{H:0.396078431372549, S:0.5379746835443039, V:0.6196078431372549, A:0.4980392156862745}")
 }
 
 func (s *ColorSuite) TestHSL(c *C) {
@@ -160,8 +166,10 @@ func (s *ColorSuite) TestHSL(c *C) {
 	c.Assert(HSL{0.6833333333333332, 0.7079646017699115, 0.5568627450980392, 0.0}.ToRGB(), DeepEquals, RGB{77, 62, 222})
 	c.Assert(HSL{0.6833333333333332, 0.7079646017699115, 0.5568627450980392, 0.50}.ToRGBA(), DeepEquals, RGBA{77, 62, 222, 127})
 
-	c.Assert(RGB{146, 93, 176}.ToHSL().String(), Equals, "HSL{H:278° S:34% L:53% A:0%}")
-	c.Assert(RGBA{146, 93, 176, 80}.ToHSL().String(), Equals, "HSL{H:278° S:34% L:53% A:31%}")
+	c.Assert(RGB{146, 93, 176}.ToHSL().String(), Equals, "278°,34%,53%,0%")
+	c.Assert(RGB{146, 93, 176}.ToHSL().GoString(), Equals, "HSL{H:0.7730923694779116, S:0.34439834024896265, L:0.5274509803921569}")
+	c.Assert(RGBA{146, 93, 176, 80}.ToHSL().String(), Equals, "278°,34%,53%,31%")
+	c.Assert(RGBA{146, 93, 176, 80}.ToHSL().GoString(), Equals, "HSL{H:0.7730923694779116, S:0.34439834024896265, L:0.5274509803921569, A:0.3137254901960784}")
 }
 
 func (s *ColorSuite) TestHUE(c *C) {
diff --git a/color/examples_test.go b/color/examples_test.go
index 64442377..f87e7709 100644
--- a/color/examples_test.go
+++ b/color/examples_test.go
@@ -20,10 +20,10 @@ func ExampleParse() {
 	fmt.Println(Parse("mintcream"))
 
 	// Output:
-	// Hex{#FF6347} <nil>
-	// Hex{#BB88FF} <nil>
-	// Hex{#FF3B21A6} <nil>
-	// Hex{#F5FFFA} <nil>
+	// #FF6347 <nil>
+	// #BB88FF <nil>
+	// #FF3B21A6 <nil>
+	// #F5FFFA <nil>
 }
 
 func ExampleRGB2Hex() {
@@ -33,15 +33,15 @@ func ExampleRGB2Hex() {
 }
 
 func ExampleHex2RGB() {
-	fmt.Printf("%s\n", Hex2RGB(NewHex(0x7F194B)))
+	fmt.Printf("%#v\n", Hex2RGB(NewHex(0x7F194B)))
 
-	// Output: RGB{R:127 G:25 B:75}
+	// Output: RGB{R:127, G:25, B:75}
 }
 
 func ExampleHex2RGBA() {
-	fmt.Printf("%s\n", Hex2RGBA(NewHex(0x7F194BCC)))
+	fmt.Printf("%#v\n", Hex2RGBA(NewHex(0x7F194BCC)))
 
-	// Output: RGBA{R:127 G:25 B:75 A:0.80}
+	// Output: RGBA{R:127, G:25, B:75, A:204}
 }
 
 func ExampleRGBA2Hex() {
@@ -55,35 +55,35 @@ func ExampleRGBA2Hex() {
 func ExampleRGB2Term() {
 	c := RGB{255, 0, 0}
 
-	fmt.Printf("%s → \\e[38;5;%dm\n", c, RGB2Term(c))
+	fmt.Printf("%#v → \\e[38;5;%dm\n", c, RGB2Term(c))
 
-	// Output: RGB{R:255 G:0 B:0} → \e[38;5;196m
+	// Output: RGB{R:255, G:0, B:0} → \e[38;5;196m
 }
 
 func ExampleTerm2RGB() {
 	c := uint8(162)
 
-	fmt.Printf("%d → %s\n", c, Term2RGB(c))
+	fmt.Printf("%d → %#v\n", c, Term2RGB(c))
 
-	// Output: 162 → RGB{R:215 G:0 B:135}
+	// Output: 162 → RGB{R:215, G:0, B:135}
 }
 
 func ExampleRGB2CMYK() {
 	fmt.Printf("%s\n", RGB2CMYK(RGB{127, 25, 75}))
 
-	// Output: CMYK{C:0% M:80% Y:41% K:50%}
+	// Output: 0%,80%,41%,50%
 }
 
 func ExampleCMYK2RGB() {
 	fmt.Printf("%s\n", CMYK2RGB(CMYK{0, 0.8, 0.41, 0.5}))
 
-	// Output: RGB{R:127 G:25 B:75}
+	// Output: 127,25,75
 }
 
 func ExampleRGB2HSV() {
 	fmt.Printf("%s\n", RGB2HSV(RGB{127, 25, 75}))
 
-	// Output: HSV{H:331° S:80% V:50% A:0%}
+	// Output: 331°,80%,50%,0%
 }
 
 func ExampleHSV2RGB() {
@@ -91,13 +91,13 @@ func ExampleHSV2RGB() {
 
 	fmt.Printf("%s\n", c)
 
-	// Output: RGB{R:127 G:25 B:74}
+	// Output: 127,25,74
 }
 
 func ExampleRGB2HSL() {
 	fmt.Printf("%s\n", RGB2HSL(RGB{127, 25, 75}))
 
-	// Output: HSL{H:331° S:67% L:30% A:0%}
+	// Output: 331°,67%,30%,0%
 }
 
 func ExampleHSL2RGB() {
@@ -105,7 +105,7 @@ func ExampleHSL2RGB() {
 
 	fmt.Printf("%s\n", c)
 
-	// Output: RGB{R:127 G:25 B:74}
+	// Output: 127,25,74
 }
 
 func ExampleHUE2RGB() {
@@ -141,19 +141,19 @@ func ExampleRGB_ToHex() {
 func ExampleRGB_ToCMYK() {
 	fmt.Printf("%s\n", RGB{127, 25, 75}.ToCMYK())
 
-	// Output: CMYK{C:0% M:80% Y:41% K:50%}
+	// Output: 0%,80%,41%,50%
 }
 
 func ExampleRGB_ToHSV() {
 	fmt.Printf("%s\n", RGB{127, 25, 75}.ToHSV())
 
-	// Output: HSV{H:331° S:80% V:50% A:0%}
+	// Output: 331°,80%,50%,0%
 }
 
 func ExampleRGB_ToHSL() {
 	fmt.Printf("%s\n", RGB{127, 25, 75}.ToHSL())
 
-	// Output: HSL{H:331° S:67% L:30% A:0%}
+	// Output: 331°,67%,30%,0%
 }
 
 func ExampleRGB_ToTerm() {
@@ -161,7 +161,7 @@ func ExampleRGB_ToTerm() {
 
 	fmt.Printf("%s → \\e[38;5;%dm\n", c, c.ToTerm())
 
-	// Output: RGB{R:255 G:0 B:0} → \e[38;5;196m
+	// Output: 255,0,0 → \e[38;5;196m
 }
 
 func ExampleRGBA_ToHex() {
@@ -175,7 +175,7 @@ func ExampleRGBA_ToHex() {
 func ExampleCMYK_ToRGB() {
 	fmt.Printf("%s\n", CMYK{0, 0.8, 0.41, 0.5}.ToRGB())
 
-	// Output: RGB{R:127 G:25 B:75}
+	// Output: 127,25,75
 }
 
 func ExampleHSV_ToRGB() {
@@ -183,7 +183,7 @@ func ExampleHSV_ToRGB() {
 
 	fmt.Printf("%s\n", c)
 
-	// Output: RGB{R:127 G:25 B:74}
+	// Output: 127,25,74
 }
 
 func ExampleHSL_ToRGB() {
@@ -191,7 +191,7 @@ func ExampleHSL_ToRGB() {
 
 	fmt.Printf("%s\n", c)
 
-	// Output: RGB{R:127 G:25 B:74}
+	// Output: 127,25,74
 }
 
 func ExampleHex_IsRGBA() {
@@ -209,13 +209,13 @@ func ExampleHex_IsRGBA() {
 func ExampleHex_ToRGB() {
 	fmt.Printf("%s\n", NewHex(0x7F194B).ToRGB())
 
-	// Output: RGB{R:127 G:25 B:75}
+	// Output: 127,25,75
 }
 
 func ExampleHex_ToRGBA() {
 	fmt.Printf("%s\n", NewHex(0x7F194B5F).ToRGBA())
 
-	// Output: RGBA{R:127 G:25 B:75 A:0.37}
+	// Output: 127,25,75,0.37
 }
 
 func ExampleHex_ToWeb() {
diff --git a/version.go b/version.go
index 085c7f47..e319567e 100644
--- a/version.go
+++ b/version.go
@@ -8,4 +8,4 @@ package ek
 // ////////////////////////////////////////////////////////////////////////////////// //
 
 // VERSION is current ek package version
-const VERSION = "13.14.2"
+const VERSION = "13.14.3"