Upstream gookit/color state of the touched files before 4eed092414

convert.go

@@ -483,9 +483,7 @@ func RgbToHex(rgb []int) string {
 	hexNodes := make([]string, 0, len(rgb))
 
 	for _, v := range rgb {
-		// Channels below 0x10 must keep two digits, or the fixed-width format and
-		// the round-trip with HexToRgb both break.
-		hexNodes = append(hexNodes, fmt.Sprintf("%02x", v))
+		hexNodes = append(hexNodes, strconv.FormatInt(int64(v), 16))
 	}
 	return strings.Join(hexNodes, "")
 }