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Color name data: meodai/color-names (MIT). Standard swatches: OpenColor open dataset.

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AI Palette StudioPopularDescribe a scene or mood in one line — get a five-role palette with rationale.AI Color SearchPopularDescribe a mood, scene or image in one sentence — AI returns 3 best-matching colors with nearest named and traditional color matches.OKLCH HarmonizerNewSix perceptually uniform harmonies with per-swatch L/C/H fine-tuning and live contrast.a9d8fBatch Color NamerNewPaste a set of hex values and name every color instantly from 32,258 named colors and 659 Chinese traditional colors — with copy-ready CSS variable names.Lc 75Lc 75APCA Contrast ComposerNewapcach = APCA + OKLCH. Given a target contrast, chroma and hue, compute the exact color that satisfies it — set "how much contrast" first, then get the color.Color BlenderNewPerceptually uniform OKLab blend scales between two colors - no gray dead zone, 3-15 steps, one-click CSS gradient.Scale GeneratorNewAny color into an 11-step design-system scale, perceptually even in OKLCH, WCAG contrast per step, export to Tailwind/CSS/SCSS/JSON.AaAaAaContrast GridNewPut your whole palette into one N×N audit table — WCAG ratios and APCA Lc for every foreground × background pair, decided at a glance.OKLCH EditorNewTune L / C / H in the perceptually uniform OKLCH space with live preview and oklch() / HEX / RGB output.Semantic UI PaletteNewFeed one brand color, get primary / secondary / success / warning / danger — exported as Tailwind config and CSS variables.RGB Color Space 3DNew216 web-safe colors arranged as a 3D cube. Drag to rotate and see the structure of color space; click any point for its full profile.Standards MatchNewEnter a RAL, Pantone or NCS code — or any HEX — and match it across all 10 standard systems with CIEDE2000 ΔE.Palette VisualizerNewDrop a 5-color palette into dashboard, landing and mobile mockups — roles auto-assigned.Palette BoardSpacebar to randomize, lock, drag to reorder, share by URL - everything a palette board should do.Color WheelNewDrag the wheel to pick a base, get six harmony schemes live, open in the board or export PNG.Palette GeneratorGenerate 6 harmony schemes from the color wheel in one click.Image Color ExtractorUpload an image and extract dominant colors with K-means++ clustering - processed locally.Gradient MakerOKLCH perceptually-uniform gradients, no gray band, one-click CSS export.Color ConverterType any format (HEX / RGB / HSL / name) and convert to all color spaces in real time.AaAaContrast CheckerWCAG 2.1 contrast validation between any foreground and background color.Color Blindness SimulatorSimulate 8 types of color vision deficiency to audit accessibility.Color Vision TestNewD-15 style 15-cap arrangement test — locate your red-green / blue-yellow discrimination in two minutes.HCT EditorNewGoogle's official color space behind Material 3: perceptually uniform Hue / Chroma / Tone editing with the 13-step Tonal Palette and Material 3 role derivation — tune a brand color and build the theme in one pass.Color PickerPick any color from the 24-bit space, preview it and open its full profile.