diff --git a/README.md b/README.md
index b5221bfeb..fda69b5b9 100644
--- a/README.md
+++ b/README.md
@@ -22,8 +22,8 @@ if necessary, then run `nvm install` (once per active shell) to use the correct
 version of Node for OddSite development.
 
 The correct [Yarn](https://yarnpkg.com/) version is included with Node, and will
-be used automatically for any `yarn` command. To activate it, run `corepack
-enable` (once per local Node installation).
+be used automatically for any `yarn` command. To activate it, run
+`corepack enable` (once per local Node installation).
 
 To upgrade the Node version used by OddSite, update the version number in these
 places and then run `nvm install` to upgrade:
diff --git a/content/tools/oddcontrast.md b/content/tools/oddcontrast.md
index 0d7e2a151..e6494b5ea 100644
--- a/content/tools/oddcontrast.md
+++ b/content/tools/oddcontrast.md
@@ -6,7 +6,7 @@ date: 2022-12-31
 logo: oddcontrast
 image:
   position: top
-  src: projects/contrast.jpg
+  src: projects/contrast-hero.jpg
 oss: owner
 author: oddbird
 action:
@@ -37,8 +37,9 @@ desired color is back in gamut.
 
 {{ embed.img(
   src='projects/out-of-gamut.jpg',
-  alt='display-p3 light yellow color showing hexidecimal color
-    outside the sRGB and HSL gamuts'
+  alt='Oklab purple color showing a message next to sRGB Formats that says
+    Selected color is outside the sRGB gamut
+    with a link to more detailed information'
 ) }}
 
 ## Contrast Checker for Accessibility
@@ -51,9 +52,9 @@ tips and a link to learn more.
 
 {{ embed.img(
   src='projects/color-ratio.jpg',
-  alt='showing the red and yellow colors at 4.37:1 contrast ratio
-    failing for AA Normal, AAA Normal, and AAA Large font sizes,
-    but passing for AA Large font size'
+  alt='showing a purple background color and a peach foreground color
+    with a 3.95:1 contrast ratio failing for AA Normal, AAA Normal,
+    and AAA Large font sizes, but passing for AA Large font size'
 ) }}
 
 ## What New Features Should OddContrast Have?
diff --git a/src/images/projects/color-ratio.jpg b/src/images/projects/color-ratio.jpg
index c9d2a6a1a..dbbea9495 100644
Binary files a/src/images/projects/color-ratio.jpg and b/src/images/projects/color-ratio.jpg differ
diff --git a/src/images/projects/contrast-hero.jpg b/src/images/projects/contrast-hero.jpg
new file mode 100644
index 000000000..0320437ae
Binary files /dev/null and b/src/images/projects/contrast-hero.jpg differ
diff --git a/src/images/projects/contrast.jpg b/src/images/projects/contrast.jpg
deleted file mode 100644
index 57948a512..000000000
Binary files a/src/images/projects/contrast.jpg and /dev/null differ
diff --git a/src/images/projects/out-of-gamut.jpg b/src/images/projects/out-of-gamut.jpg
index 3bd09e0ab..ddc0432b8 100644
Binary files a/src/images/projects/out-of-gamut.jpg and b/src/images/projects/out-of-gamut.jpg differ