diff --git a/orx-color/src/commonMain/kotlin/spaces/ColorHPLUVa.kt b/orx-color/src/commonMain/kotlin/spaces/ColorHPLUVa.kt
index a18f2474..58cf28f5 100644
--- a/orx-color/src/commonMain/kotlin/spaces/ColorHPLUVa.kt
+++ b/orx-color/src/commonMain/kotlin/spaces/ColorHPLUVa.kt
@@ -1,9 +1,11 @@
 package org.openrndr.extra.color.spaces
 
+import kotlinx.serialization.Serializable
 import org.openrndr.color.*
 import org.openrndr.math.Vector4
 import org.openrndr.math.mixAngle
 
+@Serializable
 data class ColorHPLUVa(val h: Double, val s: Double, val l: Double, override val alpha: Double = 1.0) :
     ColorModel<ColorHPLUVa>,
     HueShiftableColor<ColorHPLUVa>,
diff --git a/orx-color/src/commonMain/kotlin/spaces/ColorHSLUVa.kt b/orx-color/src/commonMain/kotlin/spaces/ColorHSLUVa.kt
index 04e2dda1..315d23e0 100644
--- a/orx-color/src/commonMain/kotlin/spaces/ColorHSLUVa.kt
+++ b/orx-color/src/commonMain/kotlin/spaces/ColorHSLUVa.kt
@@ -1,5 +1,6 @@
 package org.openrndr.extra.color.spaces
 
+import kotlinx.serialization.Serializable
 import org.openrndr.color.*
 import org.openrndr.math.Vector4
 import org.openrndr.math.map
@@ -79,6 +80,7 @@ private fun maxChromaForLH(L100: Double, H: Double): Double {
 /**
  * HSLUV color space
  */
+@Serializable
 data class ColorHSLUVa(val h: Double, val s: Double, val l: Double, override val alpha: Double = 1.0) :
         ColorModel<ColorHSLUVa>,
         HueShiftableColor<ColorHSLUVa>,
diff --git a/orx-color/src/commonMain/kotlin/spaces/ColorOKHSLa.kt b/orx-color/src/commonMain/kotlin/spaces/ColorOKHSLa.kt
index 6e3af127..cbee5a54 100644
--- a/orx-color/src/commonMain/kotlin/spaces/ColorOKHSLa.kt
+++ b/orx-color/src/commonMain/kotlin/spaces/ColorOKHSLa.kt
@@ -1,11 +1,13 @@
 package org.openrndr.extra.color.spaces
 
+import kotlinx.serialization.Serializable
 import org.openrndr.color.*
 import org.openrndr.math.Vector4
 import org.openrndr.math.mixAngle
 import kotlin.math.*
 
 @Suppress("LocalVariableName")
+@Serializable
 data class ColorOKHSLa(val h: Double, val s: Double, val l: Double, override val alpha: Double = 1.0) :
     ColorModel<ColorOKHSLa>,
     HueShiftableColor<ColorOKHSLa>,
diff --git a/orx-color/src/commonMain/kotlin/spaces/ColorOKHSVa.kt b/orx-color/src/commonMain/kotlin/spaces/ColorOKHSVa.kt
index e693bd43..fa5345cd 100644
--- a/orx-color/src/commonMain/kotlin/spaces/ColorOKHSVa.kt
+++ b/orx-color/src/commonMain/kotlin/spaces/ColorOKHSVa.kt
@@ -1,11 +1,13 @@
 package org.openrndr.extra.color.spaces
 
+import kotlinx.serialization.Serializable
 import org.openrndr.color.*
 import org.openrndr.math.Vector4
 import org.openrndr.math.mixAngle
 import kotlin.math.*
 
 @Suppress("LocalVariableName")
+@Serializable
 data class ColorOKHSVa(val h: Double, val s: Double, val v: Double, override val alpha: Double = 1.0) :
     ColorModel<ColorOKHSVa>,
     HueShiftableColor<ColorOKHSVa>,
diff --git a/orx-color/src/commonMain/kotlin/spaces/ColorOKLABa.kt b/orx-color/src/commonMain/kotlin/spaces/ColorOKLABa.kt
index ac91e9bd..b1d1604e 100644
--- a/orx-color/src/commonMain/kotlin/spaces/ColorOKLABa.kt
+++ b/orx-color/src/commonMain/kotlin/spaces/ColorOKLABa.kt
@@ -1,5 +1,6 @@
 package org.openrndr.extra.color.spaces
 
+import kotlinx.serialization.Serializable
 import org.openrndr.color.*
 import org.openrndr.math.Vector4
 import kotlin.math.pow
@@ -11,6 +12,7 @@ import kotlin.math.pow
  * [b] = yellow (-1.0) to blue (1.0).
  */
 @Suppress("LocalVariableName")
+@Serializable
 data class ColorOKLABa(val l: Double, val a: Double, val b: Double, override val alpha: Double = 1.0) :
     ColorModel<ColorOKLABa>,
     ShadableColor<ColorOKLABa>,
diff --git a/orx-color/src/commonMain/kotlin/spaces/ColorOKLCHa.kt b/orx-color/src/commonMain/kotlin/spaces/ColorOKLCHa.kt
index d454cb6b..1bceb4d4 100644
--- a/orx-color/src/commonMain/kotlin/spaces/ColorOKLCHa.kt
+++ b/orx-color/src/commonMain/kotlin/spaces/ColorOKLCHa.kt
@@ -1,5 +1,6 @@
 package org.openrndr.extra.color.spaces
 
+import kotlinx.serialization.Serializable
 import org.openrndr.color.*
 import org.openrndr.math.*
 import kotlin.math.*
@@ -7,6 +8,7 @@ import kotlin.math.*
 /**
  * Color in cylindrical OKLab space
  */
+@Serializable
 data class ColorOKLCHa(val l: Double, val c: Double, val h: Double, override val alpha: Double = 1.0) :
     ColorModel<ColorOKLCHa>,
     ShadableColor<ColorOKLCHa>,
diff --git a/orx-color/src/commonMain/kotlin/spaces/ColorXSLUVa.kt b/orx-color/src/commonMain/kotlin/spaces/ColorXSLUVa.kt
index 384d202d..976487de 100644
--- a/orx-color/src/commonMain/kotlin/spaces/ColorXSLUVa.kt
+++ b/orx-color/src/commonMain/kotlin/spaces/ColorXSLUVa.kt
@@ -1,9 +1,11 @@
 package org.openrndr.extra.color.spaces
 
+import kotlinx.serialization.Serializable
 import org.openrndr.color.*
 import org.openrndr.math.Vector4
 import org.openrndr.math.mixAngle
 
+@Serializable
 data class ColorXSLUVa(val x: Double, val s: Double, val l: Double, override val alpha: Double = 1.0) :
     ColorModel<ColorXSLUVa>,
     HueShiftableColor<ColorXSLUVa>,