palette

• [#476][476]: Fix normalize_unsigned_angle output for very small numbers. Closes [#473][473].
• [#474][474]: Fix conversion into HSLuv when L is near or below 0, or near or above 100. Closes [#472][472].
• [#465][465]: Document feature flags. Closes [#415][415].
• [#462][462]: Increase MSRV to 1.71.0.
• [#456][456]: Updates documentation of palette::alpha module.
• [#437][437]: Introduce palette_math and refactor gamma LUT code.
• [#427][427]: Deprecate encoding::gamma and its content.
• [#416][416]: Add FromLinear and IntoLinear lookup table creation to build script.
• [#424][424]: Add Rgb::from_hex and implement parsing for u16, u32, f32, f64. Closes [#420][420], [#306][306].
• [#422][422]: Add named color iterators and remove phf macro dependency. Closes [#421][421].
• [#413][413]: Add ProPhoto RGB standard.
• [#412][412]: Add DCI-P3, DCI-P3+, and Display P3. Closes [#367][367].
• [#411][411]: Add Adobe RGB.
• [#410][410]: Add Rec. 709 and Rec. 2020.
• [#407][407]: Rework chromatic adaptation. Closes [#244][244].
• [#406][406]: Add conversion matrix and Convert{Once} traits.
• [#405][405]: Make hue ::from_degrees and some palette::cast::* functions const fn.
• [#400][400]: Implement LMS. Closes [#352][352].

• [#390][390]: Add From implementations for changing Rgb component types between u8, f32 and f64.
• [#342][342]: Implement CAM16. Closes [#199][199].
• [#386][386]: Fix angle conversion from f32 to u8. Closes [#385][385].
• [#384][384]: Add traits for color schemes from traditional color theory.

• [#380][380]: Avoid recursive trait resolution for IntoIterator. Closes [#283][283].

• [#373][373]: Add an "alloc" feature and make tests work with any feature combination. Closes [#366][366].
• [#374][374]: Fix typo about max range of u8.
• [#369][369]: Fix potential NaN from converting to Okhsl when the input is white or black. Closes [#368][368].
• [#355][355]: Add traits for delta E and the improved formulas from Huang et al.
• [#351][351]: Improve some documentation for beginners.
• [#347][347]: Implements Rgba::from_str().

346: Version 0.7.3 r=Ogeon a=github-actions[bot]

Prepare release 0.7.3

Co-authored-by: Ogeon [email protected]
Co-authored-by: Erik Hedvall [email protected]

• [#345][345]: Add ArraysAs, AsArrays, and corresponding traits for components and uints.
• [#344][344]: Fix Oklab from Oklch hue conversion.
• [#343][343]: Spelling fixes.
• [#338][338]: Add traits for casting collections of colors to and from other data types.

333: Version 0.7.2 r=Ogeon a=github-actions[bot]

Prepare release 0.7.2

Co-authored-by: Ogeon [email protected]

• [#332][332]: Fix NaN values from Okhsv when saturation is > 0 and value == 0. Closes [#330][330].
• [#328][328]: Add the HyAB color difference metric. Closes [#318][318].
• [#326][326]: Add a Wcag21RelativeContrast trait and deprecate RelativeContrast.
• [#320][320]: Implement struct-of-arrays (SoA) utilities. Closes [#305][305].
• [#323][323]: Add saturating_add and saturating_sub for integer based colors. Closes [#322][322].
• [#321][321]: Spelling fixes.
• [#316][316]: Add EuclideanDistance and Ciede2000 traits, deprecate ColorDifference. Closes [#288][288].

315: Version 0.7.1 r=Ogeon a=github-actions[bot]

Prepare release 0.7.1

Co-authored-by: Ogeon [email protected]
Co-authored-by: Erik Hedvall [email protected]

• [#313][313]: Improve serializing. Closes [#130][130].
• [#312][312]: Remove impl<C> $op_trait<PreAlpha<C>> for {f32,f64} impls to work around issue #283. Closes [#283][283].

311: Version 0.7.0 r=Ogeon a=github-actions[bot]

Prepare release 0.7.0

Co-authored-by: Ogeon [email protected]

• [#308][308]: Allow RGB/XYZ conversion matrices to be pre-defined.
• [#307][307]: Update syn and dev dependencies.
• [#302][302]: Lift linearity restriction for Rgb and Luma and update docs.
• [#301][301]: Remove the Gradient type and its module. Closes [#152][152], [#156][156].
• [#282][282]: Add Okhsv, Okhsl and Okhwb.
• [#297][297]: Expose doc comment for Rgb::from_str.
• [#286][286]: Reduce the minimum compile time a bit.
• [#279][279]: Split the TransferFn trait and add lookup tables for sRGB. Closes [#126][126], [#245][245].
• [#278][278]: Implement SIMD support and add wide integration.
• [#273][273]: Split and rework the Blend trait and bump MSRV to 1.55.0. Closes [#243][243].
• [#272][272]: Fix broken link to SVG color names.
• [#270][270]: Correcting documentation link.
• [#269][269]: Rework component traits to be more granular and remove num_traits.
• [#257][257]: Add in-place conversion traits for slices and references.
• [#256][256]: Implement FromColorUnclamped and FromColor for Vec<T> and Box<[T]>.
• [#255][255]: Add unsigned integer casting to cast and make Packed general purpose.
• [#254][254]: Replace the Pixel trait with ArrayCast and cast functions and increase the MSRV to 1.51.0.
• [#251][251]: Split Saturate into Saturate and Desaturate.
• [#250][250]: Split the Hue trait into more specific traits.
• [#249][249]: Split Shade into Lighten and Darken, and add *Assign variants.
• [#248][248]: Add a MixAssign trait and remove the Float requirement from Mix.
• [#247][247]: Split Clamp into smaller traits and implement for [T].
• [#246][246]: Make most operator traits take their input by value and change TransferFn to TransferFn<T>.
• [#240][240]: Add an Any white point. Closes [#194][194].
• [#239][239]: Make color constructors const and remove or replace all with_wp. Closes [#134][134].
• [#238][238]: Relax trait bounds for all color types.

• [#290][290]: Update phf to 0.11.0. Closes [#289][289].

237: Version 0.6.0 r=Ogeon a=github-actions[bot]

Prepare release 0.6.0

Co-authored-by: Ogeon [email protected]
Co-authored-by: Erik Hedvall [email protected]

• [#235][235]: Upgrade phf to 0.9 and enable named_from_str for no_std.
• [#200][200]: Add Oklab support. Closes [#222][222].
• [#231][231]: Update approx and find-crate dependencies.
• [#229][229]: Implement bytemuck::Zeroable and bytemuck::Pod for every color type.
• [#225][225]: Add Hsluv support. Closes [#112][112].
• [#223][223]: Add Lchuv support.
• [#221][221]: Add CIE Luv support.
• [#217][217]: Implement relative and absolute methods for Lighten/Darken, Saturate. Closes [#215][215].
• [#216][216]: Add doc alias, doc cleanups, remove trait from Packed struct.
• [#211][211]: Implement PartialEq/Eq for all colorspaces, Alpha, PreAlpha, and LabHue/RgbHue. Closes [#206][206].
• [#210][210]: Rename Limited trait to Clamp. Closes [#209][209].
• [#205][205]: Generalizing gradients and add constant gradients. Closes [#62][62].
• [#190][190]: Convert documentation to intra doc links, add default whitepoint for Lab/Lch, make code fixups. Closes [#177][177].
• [#189][189]: Correct scaling on random distribution of Lab/Lch.
• [#188][188]: Allow HSV, HSL and HWB to represent nonlinear RGB. Closes [#160][160], [#187][187].
• [#184][184]: Optimize into_component for float_to_uint, u8 to f32/f64.
• [#183][183]: Optimize matrix functions, color conversion performance.
• [#176][176]: Rewrite the conversion traits to work more like From and Into. Closes [#41][41], [#111][111].
• [#175][175]: Add feature "random" for random color generation using rand crate. Closes [#174][174].
• [#173][173]: Add functions to get min/max component values for all color types, alpha.
• [#170][170]: Add {into,from}_u32 methods for RGB/A, Packed struct for u32 representations of RGBA. Closes [#144][144].
• [#164][164]: Implement WCAG contrast ratio calculations.
• [#162][162]: Implement CIEDE2000 color difference for Lab/Lch. Closes [#143][143].
• [#161][161]: Split the Component trait into more specific traits.
• [#157][157]: Implement FromStr method for Rgb<S, u8>. Closes [#148][148].
• [#158][158]: Make Take iterator for gradient inclusive of both end colors, add tests.
• [#154][154]: Add DoubleEndedIterator impl for gradient::Take. Closes [#153][153].
• [#137][137]: Add some missing From impls between Srgb and LinSrgb types.

• [#149][149]: Use libm through num_traits, and update all dependencies.
• [#142][142]: Make libm optional. Closes [#116][116].
• [#138][138]: Fix no_std build failure.
• [#136][136]: Update dependencies and remove --release flag from feature tests.
• [#135][135]: Round to nearest instead of down when converting components to integers.
• [#127][127]: fix no_std. Closes [#125][125].
• [#124][124]: Update approx dependency to 0.3.
• [#119][119]: Remove the color enum. Closes [#72][72].
• [#118][118]: Implement assign ops. Closes [#94][94].
• [#110][110]: No std support. Closes [#108][108].
• [#106][106]: Add Extended Conversion Trait.
• [#104][104]: Update image and approx crate dependency. Closes [#101][101], [#100][100].

• [#113][113]: Import everything from the parent scope in derives.

• [#99][99]: Fix into and from component tuple conversion for Yxy.
• [#98][98]: Add conversion to and from component tuples. Closes [#87][87].
• [#97][97]: Add hexadecimal formatting to Alpha, Luma and Rgb. Closes [#80][80].
• [#96][96]: Reexport derives from the main library. Closes [#91][91].
• [#93][93]: Make it possible to derive Pixel. Closes [#85][85].
• [#92][92]: Add transparency support when deriving FromColor and IntoColor. Closes [#86][86].
• [#90][90]: Add serde support as an optional feature. Closes [#83][83].
• [#89][89]: Improve the hue types a bit. Closes [#75][75].
• [#84][84]: Make it possible to derive IntoColor and FromColor. Closes [#82][82].
• [#81][81]: Make a new system for converting to and from arrays and slices. Closes [#74][74].

• [#78][78]: Upgrade dependencies.
• [#60][60]: Generalize the RGB types over RGB standards. Closes [#66][66], [#31][31], [#58][58].
• [#76][76]: Change dependency num to num_traits to shrink dependency tree.
• [#63][63]: Add rebeccapurple.
• [#61][61]: Restore the proper scale of Lab and Lch. Closes [#49][49].
• [#56][56]: Make color spaces white point aware. Closes [#14][14].

• [#39][39]: Implement color blending. Closes [#3][3].
• [#54][54]: Faster Rgb to Hsl and Hsv conversions.
• [#52][52]: Add missing ApproxEq implementations.
• [#53][53]: Add hwb color. Closes [#32][32].
• [#51][51]: Implement approx eq trait.
• [#48][48]: Add tests for conversions. Closes [#44][44].
• [#47][47]: Change normalize to use floor and ceil formula. Closes [#46][46].
• [#43][43]: Add conversion trait.
• [#34][34]: Add color constants. Closes [#5][5].
• [#35][35]: use flt() function. Closes [#33][33].
• [#30][30]: Add Cie Yxy (xyY) Color Space.
• [#29][29]: Derive Clone for Take and MaybeSlice.

• [#26][26]: Offer both 0 centered and positive hue -> float conversion. Closes [#15][15].
• [#25][25]: Fix or relax some color ranges and clamping. Closes [#19][19].
• [#22][22]: Extract the alpha component as a wrapper type. Closes [#11][11].
• [#24][24]: Separate sRGB and gamma encoded RGB from the Rgb type. Closes [#7][7].
• [#23][23]: Change Mix, Shade and Saturate to use an associated type.
• [#18][18]: Convert all colors to be generic over floats, f32 and f64. Closes [#13][13].

• [#12][12]: Implement Gradient slicing and exact size iteration. Closes [#4][4].
• [#9][9]: Implement color arithmetics. Closes [#2][2].

The first published version.