From e05a96df51e48e192e8e19796740466076cdb953 Mon Sep 17 00:00:00 2001
From: Tai Groot <tai@taigrr.com>
Date: Thu, 23 Jun 2022 21:43:20 -0700
Subject: [PATCH] support 3-character hex codes like CSS does

---
 simplecolor/simplecolors.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/simplecolor/simplecolors.go b/simplecolor/simplecolors.go
index 5145fee..1a65c3c 100644
--- a/simplecolor/simplecolors.go
+++ b/simplecolor/simplecolors.go
@@ -87,6 +87,16 @@ func FromRGBA(r, g, b, a uint32) SimpleColor {
 
 func FromHexString(h string) SimpleColor {
 	h = strings.ReplaceAll(h, "#", "")
+	hexRunes := []rune(h)
+	switch len(hexRunes) {
+	case 6:
+		break
+	case 3:
+		stretchedHex := hexRunes[0] + hexRunes[0] + hexRunes[1] + hexRunes[1] + hexRunes[2] + hexRunes[2]
+		h = string(stretchedHex)
+	default:
+		return FromHexString("#66042d")
+	}
 	i, err := strconv.ParseInt(h, 16, 64)
 	if err != nil {
 		// if there's an error, we can't return it