Format comments with a gray foreground

pkg/yqlib/color_print.go

@@ -56,6 +56,12 @@ func colorizeAndPrint(yamlBytes []byte, writer io.Writer) error {
 			Suffix: format(color.Reset),
 		}
 	}
+	p.Comment = func() *printer.Property {
+		return &printer.Property{
+			Prefix: format(color.FgHiBlack),
+			Suffix: format(color.Reset),
+		}
+	}
 	_, err := writer.Write([]byte(p.PrintTokens(tokens) + "\n"))
 	return err
 }

pkg/yqlib/encoder_yaml.go

@@ -8,7 +8,8 @@ import (
 	"regexp"
 	"strings"
 
-	yaml "gopkg.in/yaml.v3"
+	"github.com/fatih/color"
+	"gopkg.in/yaml.v3"
 )
 
 type yamlEncoder struct {
@@ -54,6 +55,9 @@ func (ye *yamlEncoder) PrintLeadingContent(writer io.Writer, content string) err
 			if len(readline) > 0 && readline != "\n" && readline[0] != '%' && !commentLineRegEx.MatchString(readline) {
 				readline = "# " + readline
 			}
+			if ye.prefs.ColorsEnabled && strings.TrimSpace(readline) != "" {
+				readline = format(color.FgHiBlack) + readline + format(color.Reset)
+			}
 			if err := writeString(writer, readline); err != nil {
 				return err
 			}