diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d60b5a9ad..68adbf998 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,8 +11,8 @@ on:
 name: Continuous integration
 
 jobs:
-  compile_and_test_msrv:
-    name: Compile and test MSRV
+  compile_and_test_min_msrv:
+    name: Compile and test min MSRV
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
@@ -24,9 +24,26 @@ jobs:
       - uses: dtolnay/rust-toolchain@1.61.0
         with:
           components: clippy
-      - uses: taiki-e/install-action@cargo-hack
       - name: Minimal check
-        run: cargo clippy -v -p palette --no-default-features --features std
+        run: cargo clippy -v -p palette --no-default-features --features "std"
+      - name: Default check
+        run: cargo clippy -v -p palette
+      - name: Default tests
+        run: cargo test -v -p palette
+  compile_and_test_max_msrv:
+    name: Compile and test max MSRV
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
+    env:
+      RUSTFLAGS: -D warnings
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@1.63.0
+        with:
+          components: clippy
+      - uses: taiki-e/install-action@cargo-hack
       - name: find-crate check
         run: cargo clippy -v -p palette --no-default-features --features "std find-crate"
       - name: Default check
@@ -115,7 +132,8 @@ jobs:
     name: ci
     if: success()
     needs:
-      - compile_and_test_msrv
+      - compile_and_test_min_msrv
+      - compile_and_test_max_msrv
       - integration_tests
       - check_stable_beta_nightly
       - no_std
diff --git a/README.md b/README.md
index 0258d1f9b..fae4c5d40 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,9 @@ A color management and conversion library that focuses on maintaining correctnes
 
 ## Minimum Supported Rust Version (MSRV)
 
-This version of Palette has been automatically tested with Rust version `1.61.0` and the `stable`, `beta`, and `nightly` channels. Future versions of the library may advance the minimum supported version to make use of new language features, but this will normally be considered a breaking change. Exceptions may be made for security patches, dependencies advancing their MSRV in minor or patch releases, and similar changes.
+This version of Palette has been automatically tested with Rust version `1.61.0`, `1.63.0`, and the `stable`, `beta`, and `nightly` channels. The minimum supported version may vary with the set of enabled features.
+
+Future versions of the library may advance the minimum supported version to make use of new language features, but this will normally be considered a breaking change. Exceptions may be made for security patches, dependencies advancing their MSRV in minor or patch releases, and similar changes.
 
 ## Contributing
 
diff --git a/palette/README.md b/palette/README.md
index 91822ce07..68633bc37 100644
--- a/palette/README.md
+++ b/palette/README.md
@@ -15,7 +15,9 @@ A color management and conversion library that focuses on maintaining correctnes
 
 ## Minimum Supported Rust Version (MSRV)
 
-This version of Palette has been automatically tested with Rust version `1.61.0` and the `stable`, `beta`, and `nightly` channels. Future versions of the library may advance the minimum supported version to make use of new language features, but this will normally be considered a breaking change. Exceptions may be made for security patches, dependencies advancing their MSRV in minor or patch releases, and similar changes.
+This version of Palette has been automatically tested with Rust version `1.61.0`, `1.63.0`, and the `stable`, `beta`, and `nightly` channels. The minimum supported version may vary with the set of enabled features.
+
+Future versions of the library may advance the minimum supported version to make use of new language features, but this will normally be considered a breaking change. Exceptions may be made for security patches, dependencies advancing their MSRV in minor or patch releases, and similar changes.
 
 ## Getting Started
 
diff --git a/palette/src/cast/as_arrays_traits.rs b/palette/src/cast/as_arrays_traits.rs
index 6f02cd855..2f7044d20 100644
--- a/palette/src/cast/as_arrays_traits.rs
+++ b/palette/src/cast/as_arrays_traits.rs
@@ -53,7 +53,7 @@ pub trait AsArraysMut<A: ?Sized> {
 macro_rules! impl_as_arrays {
     ($($owning:ty $(where ($($ty_input:tt)+))?),*) => {
         $(
-            impl<'a, T, C, const N: usize $(, $($ty_input)+)?> AsArrays<[[T; N]]> for $owning
+            impl<T, C, const N: usize $(, $($ty_input)+)?> AsArrays<[[T; N]]> for $owning
             where
                 C: ArrayCast<Array = [T; N]>,
             {
@@ -63,7 +63,7 @@ macro_rules! impl_as_arrays {
                 }
             }
 
-            impl<'a, T, C, const N: usize $(, $($ty_input)+)?> AsArraysMut<[[T; N]]> for $owning
+            impl<T, C, const N: usize $(, $($ty_input)+)?> AsArraysMut<[[T; N]]> for $owning
             where
                 C: ArrayCast<Array = [T; N]>,
             {
@@ -142,7 +142,7 @@ pub trait ArraysAsMut<C: ?Sized> {
 macro_rules! impl_arrays_as {
     ($($owning:ty $(where ($($ty_input:tt)+))?),*) => {
         $(
-            impl<'a, T, C, const N: usize $(, $($ty_input)+)?> ArraysAs<[C]> for $owning
+            impl<T, C, const N: usize $(, $($ty_input)+)?> ArraysAs<[C]> for $owning
             where
                 C: ArrayCast<Array = [T; N]>,
             {
@@ -152,7 +152,7 @@ macro_rules! impl_arrays_as {
                 }
             }
 
-            impl<'a, T, C, const N: usize $(, $($ty_input)+)?> ArraysAsMut<[C]> for $owning
+            impl<T, C, const N: usize $(, $($ty_input)+)?> ArraysAsMut<[C]> for $owning
             where
                 C: ArrayCast<Array = [T; N]>,
             {
diff --git a/palette/src/cast/as_components_traits.rs b/palette/src/cast/as_components_traits.rs
index 8165d1835..93c898e1e 100644
--- a/palette/src/cast/as_components_traits.rs
+++ b/palette/src/cast/as_components_traits.rs
@@ -57,7 +57,7 @@ pub trait AsComponentsMut<C: ?Sized> {
 macro_rules! impl_as_components {
     ($($owning:ty $(where ($($ty_input:tt)+))?),*) => {
         $(
-            impl<'a, T, C, const N: usize $(, $($ty_input)+)?> AsComponents<[T]> for $owning
+            impl<T, C, const N: usize $(, $($ty_input)+)?> AsComponents<[T]> for $owning
             where
                 C: ArrayCast<Array = [T; N]>,
             {
@@ -67,7 +67,7 @@ macro_rules! impl_as_components {
                 }
             }
 
-            impl<'a, T, C, const N: usize $(, $($ty_input)+)?> AsComponentsMut<[T]> for $owning
+            impl<T, C, const N: usize $(, $($ty_input)+)?> AsComponentsMut<[T]> for $owning
             where
                 C: ArrayCast<Array = [T; N]>,
             {
@@ -192,7 +192,7 @@ pub trait TryComponentsAsMut<C: ?Sized> {
 macro_rules! impl_try_components_as {
     ($($owning:ty $(where ($($ty_input:tt)+))?),*) => {
         $(
-            impl<'a, T, C, const N: usize $(, $($ty_input)+)?> TryComponentsAs<[C]> for $owning
+            impl<T, C, const N: usize $(, $($ty_input)+)?> TryComponentsAs<[C]> for $owning
             where
                 C: ArrayCast<Array = [T; N]>,
             {
@@ -204,7 +204,7 @@ macro_rules! impl_try_components_as {
                 }
             }
 
-            impl<'a, T, C, const N: usize $(, $($ty_input)+)?> TryComponentsAsMut<[C]> for $owning
+            impl<T, C, const N: usize $(, $($ty_input)+)?> TryComponentsAsMut<[C]> for $owning
             where
                 C: ArrayCast<Array = [T; N]>,
             {
diff --git a/palette/src/cast/as_uints_traits.rs b/palette/src/cast/as_uints_traits.rs
index 3471cab4b..4af79ddce 100644
--- a/palette/src/cast/as_uints_traits.rs
+++ b/palette/src/cast/as_uints_traits.rs
@@ -69,7 +69,7 @@ pub trait AsUintsMut<A: ?Sized> {
 macro_rules! impl_as_uints {
     ($($owning:ty $(where ($($ty_input:tt)+))?),*) => {
         $(
-            impl<'a, C $(, $($ty_input)+)?> AsUints<[C::Uint]> for $owning
+            impl<C $(, $($ty_input)+)?> AsUints<[C::Uint]> for $owning
             where
                 C: UintCast,
             {
@@ -79,7 +79,7 @@ macro_rules! impl_as_uints {
                 }
             }
 
-            impl<'a, C $(, $($ty_input)+)?> AsUintsMut<[C::Uint]> for $owning
+            impl<C $(, $($ty_input)+)?> AsUintsMut<[C::Uint]> for $owning
             where
                 C: UintCast,
             {
@@ -194,7 +194,7 @@ pub trait UintsAsMut<C: ?Sized> {
 macro_rules! impl_uints_as {
     ($($owning:ty $(where ($($ty_input:tt)+))?),*) => {
         $(
-            impl<'a, C $(, $($ty_input)+)?> UintsAs<[C]> for $owning
+            impl<C $(, $($ty_input)+)?> UintsAs<[C]> for $owning
             where
                 C: UintCast,
             {
@@ -204,7 +204,7 @@ macro_rules! impl_uints_as {
                 }
             }
 
-            impl<'a, C $(, $($ty_input)+)?> UintsAsMut<[C]> for $owning
+            impl<C $(, $($ty_input)+)?> UintsAsMut<[C]> for $owning
             where
                 C: UintCast,
             {
diff --git a/palette/src/macros/struct_of_arrays.rs b/palette/src/macros/struct_of_arrays.rs
index 923e5b52e..214859029 100644
--- a/palette/src/macros/struct_of_arrays.rs
+++ b/palette/src/macros/struct_of_arrays.rs
@@ -150,7 +150,7 @@ macro_rules! impl_struct_of_array_traits {
         }
 
         #[cfg(feature = "alloc")]
-        impl<'a, $($phantom_ty,)? T> IntoIterator for crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::vec::Vec<T>>, alloc::vec::Vec<T>>
+        impl<$($phantom_ty,)? T> IntoIterator for crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::vec::Vec<T>>, alloc::vec::Vec<T>>
         {
             type Item = crate::alpha::Alpha<$self_ty<$($phantom_ty,)? T>, T>;
 
@@ -268,7 +268,7 @@ macro_rules! impl_struct_of_array_traits {
         }
 
         #[cfg(feature = "alloc")]
-        impl<'a, 'b, $($phantom_ty,)? T> IntoIterator for &'a crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::vec::Vec<T>>, alloc::vec::Vec<T>>
+        impl<'a, $($phantom_ty,)? T> IntoIterator for &'a crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::vec::Vec<T>>, alloc::vec::Vec<T>>
         {
             type Item = crate::alpha::Alpha<$self_ty<$($phantom_ty,)? &'a T>, &'a T>;
 
@@ -299,7 +299,7 @@ macro_rules! impl_struct_of_array_traits {
         }
 
         #[cfg(feature = "alloc")]
-        impl<'a, 'b, $($phantom_ty,)? T> IntoIterator for &'a crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::boxed::Box<[T]>>, alloc::boxed::Box<[T]>>
+        impl<'a, $($phantom_ty,)? T> IntoIterator for &'a crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::boxed::Box<[T]>>, alloc::boxed::Box<[T]>>
         {
             type Item = crate::alpha::Alpha<$self_ty<$($phantom_ty,)? &'a T>, &'a T>;
 
@@ -388,7 +388,7 @@ macro_rules! impl_struct_of_array_traits {
         }
 
         #[cfg(feature = "alloc")]
-        impl<'a, 'b, $($phantom_ty,)? T> IntoIterator for &'a mut crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::vec::Vec<T>>, alloc::vec::Vec<T>>
+        impl<'a, $($phantom_ty,)? T> IntoIterator for &'a mut crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::vec::Vec<T>>, alloc::vec::Vec<T>>
         {
             type Item = crate::alpha::Alpha<$self_ty<$($phantom_ty,)? &'a mut T>, &'a mut T>;
 
@@ -421,7 +421,7 @@ macro_rules! impl_struct_of_array_traits {
         }
 
         #[cfg(feature = "alloc")]
-        impl<'a, 'b, $($phantom_ty,)? T> IntoIterator for &'a mut crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::boxed::Box<[T]>>, alloc::boxed::Box<[T]>>
+        impl<'a, $($phantom_ty,)? T> IntoIterator for &'a mut crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::boxed::Box<[T]>>, alloc::boxed::Box<[T]>>
         {
             type Item = crate::alpha::Alpha<$self_ty<$($phantom_ty,)? &'a mut T>, &'a mut T>;
 
@@ -658,7 +658,7 @@ macro_rules! impl_struct_of_array_traits_hue {
         }
 
         #[cfg(feature = "alloc")]
-        impl<'a, $($phantom_ty,)? T> IntoIterator for crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::vec::Vec<T>>, alloc::vec::Vec<T>>
+        impl<$($phantom_ty,)? T> IntoIterator for crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::vec::Vec<T>>, alloc::vec::Vec<T>>
         {
             type Item = crate::alpha::Alpha<$self_ty<$($phantom_ty,)? T>, T>;
 
@@ -780,7 +780,7 @@ macro_rules! impl_struct_of_array_traits_hue {
         }
 
         #[cfg(feature = "alloc")]
-        impl<'a, 'b, $($phantom_ty,)? T> IntoIterator for &'a crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::vec::Vec<T>>, alloc::vec::Vec<T>>
+        impl<'a, $($phantom_ty,)? T> IntoIterator for &'a crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::vec::Vec<T>>, alloc::vec::Vec<T>>
         {
             type Item = crate::alpha::Alpha<$self_ty<$($phantom_ty,)? &'a T>, &'a T>;
 
@@ -812,7 +812,7 @@ macro_rules! impl_struct_of_array_traits_hue {
         }
 
         #[cfg(feature = "alloc")]
-        impl<'a, 'b, $($phantom_ty,)? T> IntoIterator for &'a crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::boxed::Box<[T]>>, alloc::boxed::Box<[T]>>
+        impl<'a, $($phantom_ty,)? T> IntoIterator for &'a crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::boxed::Box<[T]>>, alloc::boxed::Box<[T]>>
         {
             type Item = crate::alpha::Alpha<$self_ty<$($phantom_ty,)? &'a T>, &'a T>;
 
@@ -904,7 +904,7 @@ macro_rules! impl_struct_of_array_traits_hue {
         }
 
         #[cfg(feature = "alloc")]
-        impl<'a, 'b, $($phantom_ty,)? T> IntoIterator for &'a mut crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::vec::Vec<T>>, alloc::vec::Vec<T>>
+        impl<'a, $($phantom_ty,)? T> IntoIterator for &'a mut crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::vec::Vec<T>>, alloc::vec::Vec<T>>
         {
             type Item = crate::alpha::Alpha<$self_ty<$($phantom_ty,)? &'a mut T>, &'a mut T>;
 
@@ -936,7 +936,7 @@ macro_rules! impl_struct_of_array_traits_hue {
         }
 
         #[cfg(feature = "alloc")]
-        impl<'a, 'b, $($phantom_ty,)? T> IntoIterator for &'a mut crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::boxed::Box<[T]>>, alloc::boxed::Box<[T]>>
+        impl<'a, $($phantom_ty,)? T> IntoIterator for &'a mut crate::alpha::Alpha<$self_ty<$($phantom_ty,)? alloc::boxed::Box<[T]>>, alloc::boxed::Box<[T]>>
         {
             type Item = crate::alpha::Alpha<$self_ty<$($phantom_ty,)? &'a mut T>, &'a mut T>;
 
diff --git a/palette_derive/README.md b/palette_derive/README.md
index e73f575f9..b42ac6620 100644
--- a/palette_derive/README.md
+++ b/palette_derive/README.md
@@ -4,7 +4,9 @@ Contains derive macros for the [`palette`](https://crates.io/crates/palette/) cr
 
 ## Minimum Supported Rust Version (MSRV)
 
-This version of Palette has been automatically tested with Rust version `1.61.0` and the `stable`, `beta`, and `nightly` channels. Future versions of the library may advance the minimum supported version to make use of new language features, but this will normally be considered a breaking change. Exceptions may be made for security patches, dependencies advancing their MSRV in minor or patch releases, and similar changes.
+This version of Palette has been automatically tested with Rust version `1.61.0`, `1.63.0`, and the `stable`, `beta`, and `nightly` channels. The minimum supported version may vary with the set of enabled features.
+
+Future versions of the library may advance the minimum supported version to make use of new language features, but this will normally be considered a breaking change. Exceptions may be made for security patches, dependencies advancing their MSRV in minor or patch releases, and similar changes.
 
 ## License
 
diff --git a/palette_derive/src/meta/mod.rs b/palette_derive/src/meta/mod.rs
index 2b0ce1257..4204edcdf 100644
--- a/palette_derive/src/meta/mod.rs
+++ b/palette_derive/src/meta/mod.rs
@@ -140,7 +140,7 @@ pub fn assert_path_meta(meta: &Meta) -> Result<()> {
     Ok(())
 }
 
-#[derive(PartialEq)]
+#[derive(PartialEq, Eq)]
 pub struct KeyValuePair {
     pub key: Ident,
     pub value: Ident,