diff --git a/json/base16/penumbra-dark-contrast-plus-plus.json b/json/base16/penumbra-dark-contrast-plus-plus.json
new file mode 100644
index 0000000..71a11ad
--- /dev/null
+++ b/json/base16/penumbra-dark-contrast-plus-plus.json
@@ -0,0 +1,25 @@
+{
+    "system": "base16",
+    "name": "Penumbra Dark Contrast Plus Plus",
+    "author": "Zachary Weiss (https://github.com/zacharyweiss)",
+    "variant": "dark",
+    "description": "A mathematically balanced colour scheme constructed in a perceptually uniform colour space, by Neal McKee. https://github.com/nealmckee/penumbra",
+    "palette": {
+        "base00": "#0D0F13",
+        "base01": "#181B1F",
+        "base02": "#3E4044",
+        "base03": "#636363",
+        "base04": "#AEAEAE",
+        "base05": "#DEDEDE",
+        "base06": "#FFF7ED",
+        "base07": "#FFFDFB",
+        "base08": "#F58C81",
+        "base09": "#E09F47",
+        "base0A": "#A9B852",
+        "base0B": "#54C794",
+        "base0C": "#00C4D7",
+        "base0D": "#6EB2FD",
+        "base0E": "#B69CF6",
+        "base0F": "#E58CC5"
+    }
+}
\ No newline at end of file
diff --git a/json/base16/penumbra-dark-contrast-plus.json b/json/base16/penumbra-dark-contrast-plus.json
new file mode 100644
index 0000000..435d5c6
--- /dev/null
+++ b/json/base16/penumbra-dark-contrast-plus.json
@@ -0,0 +1,25 @@
+{
+    "system": "base16",
+    "name": "Penumbra Dark Contrast Plus",
+    "author": "Zachary Weiss (https://github.com/zacharyweiss)",
+    "variant": "dark",
+    "description": "A mathematically balanced colour scheme constructed in a perceptually uniform colour space, by Neal McKee. https://github.com/nealmckee/penumbra",
+    "palette": {
+        "base00": "#181B1F",
+        "base01": "#24272B",
+        "base02": "#3E4044",
+        "base03": "#636363",
+        "base04": "#9E9E9E",
+        "base05": "#CECECE",
+        "base06": "#FFF7ED",
+        "base07": "#FFFDFB",
+        "base08": "#DF7F78",
+        "base09": "#CE9042",
+        "base0A": "#9CA748",
+        "base0B": "#50B584",
+        "base0C": "#00B3C2",
+        "base0D": "#61A3E6",
+        "base0E": "#A48FE1",
+        "base0F": "#D080B6"
+    }
+}
\ No newline at end of file
diff --git a/json/base16/penumbra-dark.json b/json/base16/penumbra-dark.json
new file mode 100644
index 0000000..e0a1e3a
--- /dev/null
+++ b/json/base16/penumbra-dark.json
@@ -0,0 +1,25 @@
+{
+    "system": "base16",
+    "name": "Penumbra Dark",
+    "author": "Zachary Weiss (https://github.com/zacharyweiss)",
+    "variant": "dark",
+    "description": "A mathematically balanced colour scheme constructed in a perceptually uniform colour space, by Neal McKee. https://github.com/nealmckee/penumbra",
+    "palette": {
+        "base00": "#24272B",
+        "base01": "#303338",
+        "base02": "#3E4044",
+        "base03": "#636363",
+        "base04": "#8F8F8F",
+        "base05": "#BEBEBE",
+        "base06": "#FFF7ED",
+        "base07": "#FFFDFB",
+        "base08": "#CA736C",
+        "base09": "#BA823A",
+        "base0A": "#8D9741",
+        "base0B": "#47A477",
+        "base0C": "#00A2AF",
+        "base0D": "#5794D0",
+        "base0E": "#9481CC",
+        "base0F": "#BC73A4"
+    }
+}
\ No newline at end of file
diff --git a/json/base16/penumbra-light-contrast-plus-plus.json b/json/base16/penumbra-light-contrast-plus-plus.json
new file mode 100644
index 0000000..0a988d4
--- /dev/null
+++ b/json/base16/penumbra-light-contrast-plus-plus.json
@@ -0,0 +1,25 @@
+{
+    "system": "base16",
+    "name": "Penumbra Light Contrast Plus Plus",
+    "author": "Zachary Weiss (https://github.com/zacharyweiss)",
+    "variant": "light",
+    "description": "A mathematically balanced colour scheme constructed in a perceptually uniform colour space, by Neal McKee. https://github.com/nealmckee/penumbra",
+    "palette": {
+        "base00": "#FFFDFB",
+        "base01": "#FFF7ED",
+        "base02": "#F2E6D4",
+        "base03": "#DEDEDE",
+        "base04": "#AEAEAE",
+        "base05": "#636363",
+        "base06": "#181B1F",
+        "base07": "#0D0F13",
+        "base08": "#F58C81",
+        "base09": "#E09F47",
+        "base0A": "#A9B852",
+        "base0B": "#54C794",
+        "base0C": "#00C4D7",
+        "base0D": "#6EB2FD",
+        "base0E": "#B69CF6",
+        "base0F": "#E58CC5"
+    }
+}
\ No newline at end of file
diff --git a/json/base16/penumbra-light-contrast-plus.json b/json/base16/penumbra-light-contrast-plus.json
new file mode 100644
index 0000000..6de4954
--- /dev/null
+++ b/json/base16/penumbra-light-contrast-plus.json
@@ -0,0 +1,25 @@
+{
+    "system": "base16",
+    "name": "Penumbra Light Contrast Plus",
+    "author": "Zachary Weiss (https://github.com/zacharyweiss)",
+    "variant": "light",
+    "description": "A mathematically balanced colour scheme constructed in a perceptually uniform colour space, by Neal McKee. https://github.com/nealmckee/penumbra",
+    "palette": {
+        "base00": "#FFFDFB",
+        "base01": "#FFF7ED",
+        "base02": "#F2E6D4",
+        "base03": "#CECECE",
+        "base04": "#9E9E9E",
+        "base05": "#636363",
+        "base06": "#24272B",
+        "base07": "#181B1F",
+        "base08": "#DF7F78",
+        "base09": "#CE9042",
+        "base0A": "#9CA748",
+        "base0B": "#50B584",
+        "base0C": "#00B3C2",
+        "base0D": "#61A3E6",
+        "base0E": "#A48FE1",
+        "base0F": "#D080B6"
+    }
+}
\ No newline at end of file
diff --git a/json/base16/penumbra-light.json b/json/base16/penumbra-light.json
new file mode 100644
index 0000000..ec10860
--- /dev/null
+++ b/json/base16/penumbra-light.json
@@ -0,0 +1,25 @@
+{
+    "system": "base16",
+    "name": "Penumbra Light",
+    "author": "Zachary Weiss (https://github.com/zacharyweiss)",
+    "variant": "light",
+    "description": "A mathematically balanced colour scheme constructed in a perceptually uniform colour space, by Neal McKee. https://github.com/nealmckee/penumbra",
+    "palette": {
+        "base00": "#FFFDFB",
+        "base01": "#FFF7ED",
+        "base02": "#F2E6D4",
+        "base03": "#BEBEBE",
+        "base04": "#8F8F8F",
+        "base05": "#636363",
+        "base06": "#303338",
+        "base07": "#24272B",
+        "base08": "#CA736C",
+        "base09": "#BA823A",
+        "base0A": "#8D9741",
+        "base0B": "#47A477",
+        "base0C": "#00A2AF",
+        "base0D": "#5794D0",
+        "base0E": "#9481CC",
+        "base0F": "#BC73A4"
+    }
+}
\ No newline at end of file