diff --git a/lib/sass/value/color/space/rec2020.rb b/lib/sass/value/color/space/rec2020.rb
index 29a3828e..d0571d33 100644
--- a/lib/sass/value/color/space/rec2020.rb
+++ b/lib/sass/value/color/space/rec2020.rb
@@ -8,16 +8,6 @@ module Space
         class Rec2020
           include Space
 
-          # A constant used in the rec2020 gamma encoding/decoding functions.
-          ALPHA = 1.09929682680944
-
-          private_constant :ALPHA
-
-          # A constant used in the rec2020 gamma encoding/decoding functions.
-          BETA = 0.018053968510807
-
-          private_constant :BETA
-
           def bounded?
             true
           end
@@ -27,13 +17,11 @@ def initialize
           end
 
           def to_linear(channel)
-            abs = channel.abs
-            abs < BETA * 4.5 ? channel / 4.5 : (channel <=> 0) * (((abs + ALPHA - 1) / ALPHA)**(1 / 0.45))
+            (channel <=> 0) * (channel.abs**2.4)
           end
 
           def from_linear(channel)
-            abs = channel.abs
-            abs > BETA ? (channel <=> 0) * ((ALPHA * (abs**0.45)) - (ALPHA - 1)) : 4.5 * channel
+            (channel <=> 0) * (channel.abs**(1 / 2.4))
           end
 
           private
diff --git a/spec/sass/value/color/interpolation_examples.rb b/spec/sass/value/color/interpolation_examples.rb
index 08135567..a2d88df9 100644
--- a/spec/sass/value/color/interpolation_examples.rb
+++ b/spec/sass/value/color/interpolation_examples.rb
@@ -263,19 +263,19 @@
       {
         weight: 0.5
       },
-      [0.5494120530883964, 0.4907232619435038, 0.5681615893671463]
+      [0.6077246048987993, 0.560474374484174, 0.6287869996304708]
     ],
     [
       {
         weight: 1
       },
-      [0.8837118321235519, 0.6578067923850563, 0.7273197917658354]
+      [0.901652581777482, 0.7080066863855734, 0.7679984285088408]
     ],
     [
       {
         weight: 0
       },
-      [0.21511227405324085, 0.32363973150195124, 0.4090033869684574]
+      [0.3137966280201166, 0.4129420625827747, 0.48957557075210073]
     ]
   ],
   xyz: [
diff --git a/spec/sass/value/color/spaces.rb b/spec/sass/value/color/spaces.rb
index 82ce227f..c882e50e 100644
--- a/spec/sass/value/color/spaces.rb
+++ b/spec/sass/value/color/spaces.rb
@@ -223,8 +223,8 @@ def respond_to_missing?(symbol, _include_all)
     name: 'rec2020',
     is_legacy: false,
     is_polar: false,
-    pink: [0.883711832123552, 0.6578067923850561, 0.7273197917658352],
-    blue: [0.21511227405324085, 0.3236397315019512, 0.4090033869684574],
+    pink: [0.901652581777482, 0.7080066863855734, 0.7679984285088408],
+    blue: [0.3137966280201166, 0.4129420625827747, 0.48957557075210073],
     channels: %w[red green blue],
     ranges: [
       [0, 1],