diff --git a/client/src/editor.c b/client/src/editor.c
index 49cc329..d9fe8f8 100644
--- a/client/src/editor.c
+++ b/client/src/editor.c
@@ -501,73 +501,73 @@ VkResult color_ui(ClientContext* context) {
     {
       .pos = {146, 2},
       .size = {20, 20},
-      .color = {{1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}},
+      .color = {{0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}},
       .events = UI_EVENT_BUTTON,
     },
     {
       .pos = {168, 2},
       .size = {20, 20},
-      .color = {{1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}},
+      .color = {{0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}},
       .events = UI_EVENT_BUTTON,
     },
     {
       .pos = {146, 24},
       .size = {20, 20},
-      .color = {{1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}},
+      .color = {{0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}},
       .events = UI_EVENT_BUTTON,
     },
     {
       .pos = {168, 24},
       .size = {20, 20},
-      .color = {{1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}},
+      .color = {{0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}},
       .events = UI_EVENT_BUTTON,
     },
     {
       .pos = {146, 46},
       .size = {20, 20},
-      .color = {{1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}},
+      .color = {{0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}},
       .events = UI_EVENT_BUTTON,
     },
     {
       .pos = {168, 46},
       .size = {20, 20},
-      .color = {{1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}},
+      .color = {{0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}},
       .events = UI_EVENT_BUTTON,
     },
     {
       .pos = {146, 68},
       .size = {20, 20},
-      .color = {{1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}},
+      .color = {{0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}},
       .events = UI_EVENT_BUTTON,
     },
     {
       .pos = {168, 68},
       .size = {20, 20},
-      .color = {{1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}},
+      .color = {{0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}},
       .events = UI_EVENT_BUTTON,
     },
     {
       .pos = {146, 90},
       .size = {20, 20},
-      .color = {{1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}},
+      .color = {{0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}},
       .events = UI_EVENT_BUTTON,
     },
     {
       .pos = {168, 90},
       .size = {20, 20},
-      .color = {{1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}},
+      .color = {{0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}},
       .events = UI_EVENT_BUTTON,
     },
     {
       .pos = {146, 112},
       .size = {20, 20},
-      .color = {{1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}},
+      .color = {{0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}},
       .events = UI_EVENT_BUTTON,
     },
     {
       .pos = {168, 112},
       .size = {20, 20},
-      .color = {{1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}},
+      .color = {{0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}, {0, 0, 0, 1}},
       .events = UI_EVENT_BUTTON,
     },
   };
@@ -594,13 +594,22 @@ VkResult color_ui(ClientContext* context) {
   data->string[4] = '0';
   data->string[5] = '0';
   data->string[6] = '0';
-  data->string[7] = '0';
-  data->string[8] = '0';
+  data->string[7] = 'F';
+  data->string[8] = 'F';
   data->string[9] = '\0';
+
   data->current[0] = 0;
   data->current[1] = 0;
   data->current[2] = 0;
-  data->current[3] = 0;
+  data->current[3] = 1;
+
+  for(uint32_t i = 0; i < 12; i++) {
+    data->saved[i][0] = 0;
+    data->saved[i][1] = 0;
+    data->saved[i][2] = 0;
+    data->saved[i][3] = 1;
+  }
+
 
   UICallbacks callbacks[] = {
     {
diff --git a/client/src/hsv.c b/client/src/hsv.c
index a5d5fc7..809c4ca 100644
--- a/client/src/hsv.c
+++ b/client/src/hsv.c
@@ -20,6 +20,11 @@ void rgb_to_hsv(vec3 rgb, double hsv[3]) {
   float M = min(rgb[0], min(rgb[1], rgb[2]));
   float C = hsv[2] - M;
   hsv[1] = C / hsv[2];
+  if(C == 0) {
+    hsv[0] = 0;
+    return;
+  }
+
   float X;
 
   if(hsv[2] == rgb[0] && M == rgb[2]) {
diff --git a/client/test/hsv.c b/client/test/hsv.c
index 4a897ea..cde6e72 100644
--- a/client/test/hsv.c
+++ b/client/test/hsv.c
@@ -33,7 +33,7 @@ int main() {
   for(int r = 0; r < 256; r++) {
     for(int g = 0; g < 256; g++) {
       for(int b = 0; b < 256; b++) {
-        if(test_conv(r, g, b, 0.001) != OK) {
+        if(test_conv(r, g, b, 0.000001) != OK) {
           return -1;
         }
       }