diff --git a/go.mod b/go.mod
index 7e51eee..db0c1a5 100644
--- a/go.mod
+++ b/go.mod
@@ -4,6 +4,7 @@ go 1.23.3
 
 require (
 	fyne.io/systray v1.11.0
+	gabe565.com/utils v0.0.0-20241114041836-facb2857c9b1
 	github.com/Masterminds/sprig/v3 v3.3.0
 	github.com/dmarkham/enumer v1.5.10
 	github.com/emersion/go-autostart v0.0.0-20210130080809-00ed301c8e9a
@@ -50,7 +51,7 @@ require (
 	github.com/tj/assert v0.0.3 // indirect
 	golang.org/x/crypto v0.26.0 // indirect
 	golang.org/x/mod v0.13.0 // indirect
-	golang.org/x/sys v0.25.0 // indirect
+	golang.org/x/sys v0.26.0 // indirect
 	golang.org/x/tools v0.14.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/go.sum b/go.sum
index c72abfe..7ce023b 100644
--- a/go.sum
+++ b/go.sum
@@ -2,6 +2,8 @@ dario.cat/mergo v1.0.1 h1:Ra4+bf83h2ztPIQYNP99R6m+Y7KfnARDfID+a+vLl4s=
 dario.cat/mergo v1.0.1/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
 fyne.io/systray v1.11.0 h1:D9HISlxSkx+jHSniMBR6fCFOUjk1x/OOOJLa9lJYAKg=
 fyne.io/systray v1.11.0/go.mod h1:RVwqP9nYMo7h5zViCBHri2FgjXF7H2cub7MAq4NSoLs=
+gabe565.com/utils v0.0.0-20241114041836-facb2857c9b1 h1:Y7L3PkUDFFhEOxaN+vhqstaPNqlE8K55wdHonon2Ux4=
+gabe565.com/utils v0.0.0-20241114041836-facb2857c9b1/go.mod h1:1WioSVukwGZYG4Q0LJBnRhgYyVljmW2Izl+RW36ALUc=
 github.com/Masterminds/goutils v1.1.1 h1:5nUrii3FMTL5diU80unEVvNevw1nH4+ZV4DSLVJLSYI=
 github.com/Masterminds/goutils v1.1.1/go.mod h1:8cTjp+g8YejhMuvIA5y2vz3BpJxksy863GQaJW2MFNU=
 github.com/Masterminds/semver/v3 v3.3.0 h1:B8LGeaivUe71a5qox1ICM/JLl0NqZSW5CHyL+hmvYS0=
@@ -107,8 +109,8 @@ golang.org/x/mod v0.13.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/sync v0.4.0 h1:zxkM55ReGkDlKSM+Fu41A+zmbZuaPVbGMzvvdUPznYQ=
 golang.org/x/sync v0.4.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.25.0 h1:r+8e+loiHxRqhXVl6ML1nO3l1+oFoWbnlu2Ehimmi34=
-golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
+golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/tools v0.14.0 h1:jvNa2pY0M4r62jkRQ6RwEZZyPcymeL9XZMLBbV7U2nc=
 golang.org/x/tools v0.14.0/go.mod h1:uYBEerGOWcJyEORxN+Ek8+TT266gXkNlHdJBwexUsBg=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
diff --git a/internal/config/color.go b/internal/config/color.go
deleted file mode 100644
index c3e38fc..0000000
--- a/internal/config/color.go
+++ /dev/null
@@ -1,68 +0,0 @@
-package config
-
-import (
-	"bytes"
-	"errors"
-	"fmt"
-	"image/color"
-	"strconv"
-)
-
-var (
-	ErrMissingPrefix = errors.New(`hex code missing "#" prefix`)
-	ErrInvalidLength = errors.New("hex code should be 4 or 7 characters")
-)
-
-type HexColor color.NRGBA
-
-func (h HexColor) MarshalText() ([]byte, error) {
-	shorthand := h.R>>4 == h.R&0xF && h.G>>4 == h.G&0xF && h.B>>4 == h.B&0xF
-	if shorthand {
-		return []byte(fmt.Sprintf("#%x%x%x", h.R&0xF, h.G&0xF, h.B&0xF)), nil
-	}
-	return []byte(fmt.Sprintf("#%02x%02x%02x", h.R, h.G, h.B)), nil
-}
-
-func (h *HexColor) UnmarshalText(text []byte) error {
-	if !bytes.HasPrefix(text, []byte("#")) {
-		return ErrMissingPrefix
-	}
-	switch len(text) {
-	case 4, 7:
-	default:
-		return ErrInvalidLength
-	}
-
-	parsed, err := strconv.ParseUint(string(text[1:]), 16, 32)
-	if err != nil {
-		return err
-	}
-
-	//nolint:gosec
-	if parsed > 0xFFF {
-		h.R = uint8(parsed >> 16 & 0xFF)
-		h.G = uint8(parsed >> 8 & 0xFF)
-		h.B = uint8(parsed & 0xFF)
-	} else {
-		h.R = uint8(parsed >> 8 & 0xF)
-		h.R |= h.R << 4
-		h.G = uint8(parsed >> 4 & 0xF)
-		h.G |= h.G << 4
-		h.B = uint8(parsed & 0xF)
-		h.B |= h.B << 4
-	}
-	h.A = 0xFF
-	return nil
-}
-
-func (h HexColor) RGBA() color.RGBA {
-	return color.RGBA(h)
-}
-
-func White() HexColor {
-	return HexColor{R: 0xFF, G: 0xFF, B: 0xFF, A: 0xFF}
-}
-
-func Black() HexColor {
-	return HexColor{A: 0xFF}
-}
diff --git a/internal/config/color_test.go b/internal/config/color_test.go
deleted file mode 100644
index 0e6a478..0000000
--- a/internal/config/color_test.go
+++ /dev/null
@@ -1,69 +0,0 @@
-package config
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-)
-
-func TestHexColor_MarshalText(t *testing.T) {
-	t.Parallel()
-	type fields struct {
-		HexColor HexColor
-	}
-	tests := []struct {
-		name    string
-		fields  fields
-		want    []byte
-		wantErr require.ErrorAssertionFunc
-	}{
-		{"white", fields{HexColor{R: 0xFF, G: 0xFF, B: 0xFF}}, []byte("#fff"), require.NoError},
-		{"black", fields{HexColor{}}, []byte("#000"), require.NoError},
-		{"red", fields{HexColor{R: 0xFF}}, []byte("#f00"), require.NoError},
-		{"green", fields{HexColor{G: 0xFF}}, []byte("#0f0"), require.NoError},
-		{"blue", fields{HexColor{B: 0xFF}}, []byte("#00f"), require.NoError},
-		{"blue-gray", fields{HexColor{R: 0x60, G: 0x7D, B: 0x8B}}, []byte("#607d8b"), require.NoError},
-		{"increment", fields{HexColor{R: 1, G: 2, B: 3}}, []byte("#010203"), require.NoError},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			t.Parallel()
-			h := tt.fields.HexColor
-			got, err := h.MarshalText()
-			tt.wantErr(t, err)
-			assert.Equal(t, tt.want, got)
-		})
-	}
-}
-
-func TestHexColor_UnmarshalText(t *testing.T) {
-	t.Parallel()
-	type args struct {
-		text []byte
-	}
-	tests := []struct {
-		name    string
-		args    args
-		want    HexColor
-		wantErr require.ErrorAssertionFunc
-	}{
-		{"white", args{[]byte("#fff")}, HexColor{R: 0xFF, G: 0xFF, B: 0xFF, A: 0xFF}, require.NoError},
-		{"black", args{[]byte("#000")}, HexColor{A: 0xFF}, require.NoError},
-		{"red", args{[]byte("#f00")}, HexColor{R: 0xFF, A: 0xFF}, require.NoError},
-		{"green", args{[]byte("#0f0")}, HexColor{G: 0xFF, A: 0xFF}, require.NoError},
-		{"blue", args{[]byte("#00f")}, HexColor{B: 0xFF, A: 0xFF}, require.NoError},
-		{"blue-gray", args{[]byte("#607d8b")}, HexColor{R: 0x60, G: 0x7D, B: 0x8B, A: 0xFF}, require.NoError},
-		{"missing-prefix", args{[]byte("fff")}, HexColor{}, require.Error},
-		{"too-long", args{[]byte("#fffffff")}, HexColor{}, require.Error},
-		{"too-short", args{[]byte("#fffff")}, HexColor{}, require.Error},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			t.Parallel()
-			h := HexColor{}
-			tt.wantErr(t, h.UnmarshalText(tt.args.text))
-			assert.Equal(t, tt.want, h)
-		})
-	}
-}
diff --git a/internal/config/config.go b/internal/config/config.go
index 2accf45..41dab06 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -5,6 +5,7 @@ import (
 	"path/filepath"
 	"runtime"
 
+	"gabe565.com/utils/colorx"
 	"github.com/spf13/pflag"
 )
 
@@ -26,10 +27,10 @@ type Config struct {
 }
 
 type DynamicIcon struct {
-	Enabled     bool     `toml:"enabled"`
-	FontColor   HexColor `toml:"font-color" comment:"Hex code used to render text."`
-	FontFile    string   `toml:"font-file" comment:"Font path or filename of a system font. If left blank, an embedded font will be used."`
-	MaxFontSize float64  `toml:"max-font-size" comment:"Maximum font size in points."`
+	Enabled     bool       `toml:"enabled"`
+	FontColor   colorx.Hex `toml:"font-color" comment:"Hex code used to render text."`
+	FontFile    string     `toml:"font-file" comment:"Font path or filename of a system font. If left blank, an embedded font will be used."`
+	MaxFontSize float64    `toml:"max-font-size" comment:"Maximum font size in points."`
 }
 
 type Arrows struct {
diff --git a/internal/config/default.go b/internal/config/default.go
index 89209cc..feb5b30 100644
--- a/internal/config/default.go
+++ b/internal/config/default.go
@@ -1,12 +1,14 @@
 package config
 
 import (
+	"image/color"
 	"log/slog"
 	"path/filepath"
 	"runtime"
 	"strings"
 	"time"
 
+	"gabe565.com/utils/colorx"
 	flag "github.com/spf13/pflag"
 )
 
@@ -18,7 +20,7 @@ func New(opts ...Option) *Config {
 		Units: UnitMgdl,
 		DynamicIcon: DynamicIcon{
 			Enabled:     true,
-			FontColor:   White(),
+			FontColor:   colorx.Hex{Color: color.White},
 			MaxFontSize: 40,
 		},
 		Arrows: Arrows{
@@ -50,7 +52,7 @@ func New(opts ...Option) *Config {
 	case "darwin":
 		conf.DynamicIcon.Enabled = false
 	case "windows":
-		conf.DynamicIcon.FontColor = Black()
+		conf.DynamicIcon.FontColor = colorx.Hex{Color: color.Black}
 	}
 
 	conf.Flags = flag.NewFlagSet("", flag.ContinueOnError)
diff --git a/internal/dynamicicon/dynamicicon.go b/internal/dynamicicon/dynamicicon.go
index 3dfd705..01beba3 100644
--- a/internal/dynamicicon/dynamicicon.go
+++ b/internal/dynamicicon/dynamicicon.go
@@ -104,7 +104,7 @@ func (d *DynamicIcon) Generate(p *nightscout.Properties) ([]byte, error) {
 
 	drawer := &font.Drawer{
 		Dst: d.img,
-		Src: image.NewUniform(d.config.DynamicIcon.FontColor.RGBA()),
+		Src: image.NewUniform(d.config.DynamicIcon.FontColor),
 	}
 
 	fontSize := d.config.DynamicIcon.MaxFontSize * 2
diff --git a/internal/tray/items/preferences/dynamic_icon_color.go b/internal/tray/items/preferences/dynamic_icon_color.go
index 921398e..e7d1578 100644
--- a/internal/tray/items/preferences/dynamic_icon_color.go
+++ b/internal/tray/items/preferences/dynamic_icon_color.go
@@ -19,11 +19,10 @@ type DynamicIconColor struct {
 	*systray.MenuItem
 }
 
-//nolint:gosec
 func (l DynamicIconColor) Choose() error {
 	c, err := zenity.SelectColor(
 		zenity.Title("Dynamic Icon Color"),
-		zenity.Color(l.config.DynamicIcon.FontColor.RGBA()),
+		zenity.Color(l.config.DynamicIcon.FontColor),
 	)
 	if err != nil {
 		if errors.Is(err, zenity.ErrCanceled) {
@@ -32,11 +31,7 @@ func (l DynamicIconColor) Choose() error {
 		return err
 	}
 
-	r, g, b, a := c.RGBA()
-	l.config.DynamicIcon.FontColor.R = uint8(r)
-	l.config.DynamicIcon.FontColor.G = uint8(g)
-	l.config.DynamicIcon.FontColor.B = uint8(b)
-	l.config.DynamicIcon.FontColor.A = uint8(a)
+	l.config.DynamicIcon.FontColor.Color = c
 	if err := l.config.Write(); err != nil {
 		return err
 	}
diff --git a/internal/tray/systray.go b/internal/tray/systray.go
index 2f2a278..bd511f2 100644
--- a/internal/tray/systray.go
+++ b/internal/tray/systray.go
@@ -2,6 +2,7 @@ package tray
 
 import (
 	"context"
+	"image/color"
 	"io"
 	"log/slog"
 	"os"
@@ -154,8 +155,8 @@ func (t *Tray) onReady(ctx context.Context) func() { //nolint:gocyclo
 					} else {
 						if icon, err := t.dynamicIcon.Generate(msg.Properties); err == nil {
 							systray.SetTitle("")
-							switch t.config.DynamicIcon.FontColor {
-							case config.White():
+							switch t.config.DynamicIcon.FontColor.Color {
+							case color.White:
 								systray.SetTemplateIcon(icon, icon)
 							default:
 								systray.SetIcon(icon)