diff --git a/src/server/apps/worldserver/worldserver.conf.dist b/src/server/apps/worldserver/worldserver.conf.dist
index 294f3b3e10..37b5651b85 100644
--- a/src/server/apps/worldserver/worldserver.conf.dist
+++ b/src/server/apps/worldserver/worldserver.conf.dist
@@ -2368,7 +2368,10 @@ SkillGain.Weapon    = 1
 #    SkillChance.Yellow
 #    SkillChance.Green
 #    SkillChance.Grey
-#        Description: Chance to increase skill based on recipe color.
+#        Description: Chance to increase skill based on difficulty.
+#                     Crafting recipes interpolate between the orange and grey
+#                     chances. Yellow and green chances apply to gathering and
+#                     scripted skill gains.
 #        Default:     100 - (SkillChance.Orange)
 #                     75  - (SkillChance.Yellow)
 #                     25  - (SkillChance.Green)
diff --git a/src/server/game/Entities/Player/PlayerUpdates.cpp b/src/server/game/Entities/Player/PlayerUpdates.cpp
index 0d9b4f3a2b..e569ce5d90 100644
--- a/src/server/game/Entities/Player/PlayerUpdates.cpp
+++ b/src/server/game/Entities/Player/PlayerUpdates.cpp
@@ -764,6 +764,28 @@ inline int SkillGainChance(uint32 SkillValue, uint32 GrayLevel,
     return sWorld->getIntConfig(CONFIG_SKILL_CHANCE_ORANGE) * 10;
 }
 
+inline int32 CraftSkillGainChance(uint32 skillValue, uint32 grayLevel, uint32 yellowLevel)
+{
+    int32 orangeChance = sWorld->getIntConfig(CONFIG_SKILL_CHANCE_ORANGE) * 10;
+    int32 grayChance = sWorld->getIntConfig(CONFIG_SKILL_CHANCE_GREY) * 10;
+
+    // Invalid or equal thresholds cannot be interpolated. Preserve the
+    // previous orange/gray boundary behavior for malformed DBC entries.
+    if (grayLevel <= yellowLevel)
+        return skillValue < grayLevel ? orangeChance : grayChance;
+
+    if (skillValue <= yellowLevel)
+        return orangeChance;
+    if (skillValue >= grayLevel)
+        return grayChance;
+
+    // Crafting skill-up chance falls linearly from orange at the yellow
+    // threshold to gray at the gray threshold. The green threshold is the
+    // midpoint of that range and therefore has a 50% chance by default.
+    return grayChance + int32(int64(grayLevel - skillValue) * (orangeChance - grayChance) /
+        (grayLevel - yellowLevel));
+}
+
 bool Player::UpdateGatherSkill(uint32 SkillId, uint32 SkillValue,
                                uint32 RedLevel, uint32 Multiplicator)
 {
@@ -855,12 +877,9 @@ bool Player::UpdateCraftSkill(uint32 spellid)
 
             return UpdateSkillPro(
                 _spell_idx->second->SkillLine,
-                SkillGainChance(SkillValue,
-                                _spell_idx->second->TrivialSkillLineRankHigh,
-                                (_spell_idx->second->TrivialSkillLineRankHigh +
-                                 _spell_idx->second->TrivialSkillLineRankLow) /
-                                    2,
-                                _spell_idx->second->TrivialSkillLineRankLow),
+                CraftSkillGainChance(SkillValue,
+                                     _spell_idx->second->TrivialSkillLineRankHigh,
+                                     _spell_idx->second->TrivialSkillLineRankLow),
                 craft_skill_gain);
         }
     }