diff --git a/src/gfx_apis/vulkan/shaders/transfer_functions.glsl b/src/gfx_apis/vulkan/shaders/transfer_functions.glsl
index 7f9937e3..88236152 100644
--- a/src/gfx_apis/vulkan/shaders/transfer_functions.glsl
+++ b/src/gfx_apis/vulkan/shaders/transfer_functions.glsl
@@ -6,7 +6,7 @@
 #define TF_SRGB 0
 #define TF_LINEAR 1
 #define TF_ST2084_PQ 2
-#define TF_BT1886 3
+#define TF_GAMMA24 3
 #define TF_GAMMA22 4
 #define TF_GAMMA28 5
 #define TF_ST240 6
@@ -72,22 +72,6 @@ vec3 oetf_st2084_pq(vec3 c) {
     return pow(num / den, vec3(78.84375));
 }
 
-vec3 eotf_bt1886(vec3 c) {
-    return mix(
-        c * vec3(1.0 / 4.5),
-        pow((c + vec3(0.099)) * vec3(1.0 / 1.099), vec3(1.0 / 0.45)),
-        greaterThanEqual(c, vec3(0.081))
-    );
-}
-
-vec3 oetf_bt1886(vec3 c) {
-    return mix(
-        vec3(4.5) * c,
-        vec3(1.099) * pow(c, vec3(0.45)) - vec3(0.099),
-        greaterThanEqual(c, vec3(0.018))
-    );
-}
-
 vec3 eotf_st240(vec3 c) {
     return mix(
         c * vec3(1.0 / 4.0),
@@ -145,7 +129,7 @@ vec3 apply_eotf(vec3 c) {
         case TF_SRGB: return eotf_srgb(c);
         case TF_LINEAR: return c;
         case TF_ST2084_PQ: return eotf_st2084_pq(c);
-        case TF_BT1886: return eotf_bt1886(c);
+        case TF_GAMMA24: return pow(max(c, 0.0), vec3(2.4));
         case TF_GAMMA22: return pow(max(c, 0.0), vec3(2.2));
         case TF_GAMMA28: return pow(max(c, 0.0), vec3(2.8));
         case TF_ST240: return eotf_st240(c);
@@ -162,7 +146,7 @@ vec3 apply_oetf(vec3 c) {
         case TF_SRGB: return oetf_srgb(c);
         case TF_LINEAR: return c;
         case TF_ST2084_PQ: return oetf_st2084_pq(c);
-        case TF_BT1886: return oetf_bt1886(c);
+        case TF_GAMMA24: return pow(max(c, 0.0), vec3(1.0 / 2.4));
         case TF_GAMMA22: return pow(max(c, 0.0), vec3(1.0 / 2.2));
         case TF_GAMMA28: return pow(max(c, 0.0), vec3(1.0 / 2.8));
         case TF_ST240: return oetf_st240(c);
diff --git a/src/gfx_apis/vulkan/transfer_functions.rs b/src/gfx_apis/vulkan/transfer_functions.rs
index c1354d67..7853ed8c 100644
--- a/src/gfx_apis/vulkan/transfer_functions.rs
+++ b/src/gfx_apis/vulkan/transfer_functions.rs
@@ -3,7 +3,7 @@ use crate::cmm::cmm_transfer_function::TransferFunction;
 pub const TF_SRGB: u32 = 0;
 pub const TF_LINEAR: u32 = 1;
 pub const TF_ST2084_PQ: u32 = 2;
-pub const TF_BT1887: u32 = 3;
+pub const TF_GAMMA24: u32 = 3;
 pub const TF_GAMMA22: u32 = 4;
 pub const TF_GAMMA28: u32 = 5;
 pub const TF_ST240: u32 = 6;
@@ -22,7 +22,7 @@ impl TransferFunctionExt for TransferFunction {
             TransferFunction::Srgb => TF_SRGB,
             TransferFunction::Linear => TF_LINEAR,
             TransferFunction::St2084Pq => TF_ST2084_PQ,
-            TransferFunction::Bt1886 => TF_BT1887,
+            TransferFunction::Bt1886 => TF_GAMMA24,
             TransferFunction::Gamma22 => TF_GAMMA22,
             TransferFunction::Gamma28 => TF_GAMMA28,
             TransferFunction::St240 => TF_ST240,
diff --git a/src/theme.rs b/src/theme.rs
index 3fba81b1..23ff6cf2 100644
--- a/src/theme.rs
+++ b/src/theme.rs
@@ -96,13 +96,6 @@ impl Color {
                 1.055 * c.powf(1.0 / 2.4) - 0.055
             }
         }
-        fn bt1886(c: f32) -> f32 {
-            if c < 0.081 {
-                c / 4.5
-            } else {
-                ((c + 0.099) / 1.099).powf(1.0 / 0.45)
-            }
-        }
         fn st240(c: f32) -> f32 {
             if c < 0.0913 {
                 c / 4.0
@@ -122,6 +115,9 @@ impl Color {
         fn gamma22(c: f32) -> f32 {
             c.powf(2.2)
         }
+        fn gamma24(c: f32) -> f32 {
+            c.powf(2.4)
+        }
         fn gamma28(c: f32) -> f32 {
             c.powf(2.8)
         }
@@ -136,7 +132,7 @@ impl Color {
             TransferFunction::Srgb => convert!(srgb),
             TransferFunction::Linear => convert!(linear),
             TransferFunction::St2084Pq => convert!(st2084_pq),
-            TransferFunction::Bt1886 => convert!(bt1886),
+            TransferFunction::Bt1886 => convert!(gamma24),
             TransferFunction::Gamma22 => convert!(gamma22),
             TransferFunction::Gamma28 => convert!(gamma28),
             TransferFunction::St240 => convert!(st240),
@@ -255,13 +251,6 @@ impl Color {
                 ((c + 0.055) / 1.055).powf(2.4)
             }
         }
-        fn bt1886(c: f32) -> f32 {
-            if c < 0.018 {
-                4.5 * c
-            } else {
-                1.099 * c.powf(0.45) - 0.099
-            }
-        }
         fn st240(c: f32) -> f32 {
             if c < 0.0228 {
                 4.0 * c
@@ -287,6 +276,9 @@ impl Color {
         fn gamma22(c: f32) -> f32 {
             c.powf(1.0 / 2.2)
         }
+        fn gamma24(c: f32) -> f32 {
+            c.powf(1.0 / 2.4)
+        }
         fn gamma28(c: f32) -> f32 {
             c.powf(1.0 / 2.8)
         }
@@ -307,7 +299,7 @@ impl Color {
                 TransferFunction::Srgb => convert!(srgb),
                 TransferFunction::Linear => convert!(linear),
                 TransferFunction::St2084Pq => convert!(st2084_pq),
-                TransferFunction::Bt1886 => convert!(bt1886),
+                TransferFunction::Bt1886 => convert!(gamma24),
                 TransferFunction::Gamma22 => convert!(gamma22),
                 TransferFunction::Gamma28 => convert!(gamma28),
                 TransferFunction::St240 => convert!(st240),