refactor: clippy::unreadable_literal (#974)

Cargo.toml

@@ -82,6 +82,7 @@ needless_pass_by_value = "warn"
 return_self_not_must_use = "warn"
 semicolon_if_nothing_returned = "warn"
 trivially_copy_pass_by_ref = "warn"
+unreadable_literal = "warn"
 use_self = "warn"
 
 [features]

src/style/color.rs

@@ -1,3 +1,5 @@
+#![allow(clippy::unreadable_literal)]
+
 use std::{
     fmt::{self, Debug, Display},
     str::FromStr,

src/style/palette.rs

@@ -1,3 +1,5 @@
+#![allow(clippy::unreadable_literal)]
+
 //! A module for defining color palettes.
 
 pub mod material;