Prismii: OKLCH Color Palettes

Display P3 & Wide Gamut Tool

Free · In‑App Purchases

Introducing Prismii, the best, next-gen OKLCH color tool that makes once-invisible P3 colors visible, vibrant and easy to bring into your existing workflows.  
 
With Prismii, you access 30% more visible color than what traditional sRGB, HEX or HSL tools can calculate. Whether you are building UI design systems, creating digital illustrations or designing 3D motion graphics, Prismii gives your work an unprecedented level of color richness across all modern Apple, OLED and HDR displays. USE THE FULL GAMUT OF MODERN DISPLAY COLOR Modern OLED, HDR and Display P3-capable screens can render millions of radiant, glowing shades that traditional RGB, HSL and HEX pickers simply can’t calculate. Prismii opens up the complete P3/OKLCH color space across any screen, app or browser, giving every designer, developer and artist instant access to 30% more color options than ever before. COLOR PICKING REINVENTED Prismii simplifies wide-gamut OKLCH formulas into an intuitive, harmony-first experience that lets you build, tweak and export balanced palettes in seconds. PERCEPTUALLY UNIFORM LIGHTNESS No more muddiness. Setting 50% lightness in OKLCH means true 50% brightness across every single hue. Achieve perfect contrast ratios and liquid-smooth gradients every single time. ELEVATE ALL YOUR CREATIVE WORK Whether you design interfaces, code apps, animate motion graphics, edit video, or create digital art, your work will pop with a level of depth and brilliance on HDR screens that standard color tools can't deliver. Why You’ll Never Go Back to HSL CORE FEATURES Harmony-Based Palette Generation: Palettes built from real color-harmony relationships Easiest-to-Use Interface: Precision arc sliders around a reactive gamut wheel reveal real-time interplay between Lightness, Chroma and Hue Live Contrast Checking: Validate WCAG accessibility and generate shade/tint scales live as you edit. Compatible Export: Export your colors directly into the creative tools you use every day. Prismii supports: • Adobe Swatch Exchange (.ASE) for Photoshop, Illustrator & InDesign as well as Affinity Studio • Figma Tokens & JSON • Swatches for Procreate • SwiftUI Color Structs • Production-Ready CSS Variables • True Wide-Gamut Precision: Native Display P3 using OKLCH, ~30% more visible color than sRGB Download Prismii today and design your first wide-gamut palette in seconds. // // // Terms and Conditions: https://flatlander.studio/products/prismii-oklch-color-palettes/prismii-terms-and-conditions/ Privacy Policy: https://flatlander.studio/products/prismii-oklch-color-palettes /privacy-policy/ EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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Welcome to Prismii! We've made some adjustments for our new name throughout the app. We have also added a color ring to our reactive gamut wheel to help make choosing the right hue easier for you.

Version 1.1

The developer, Flatlander Studio, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer indicated that this app supports the following accessibility features. Learn More

    • Supported Features

      • VoiceOver

      • Larger Text

      • Differentiate Without Color Alone

      • Sufficient Contrast

    Information

    Seller
    Flatlander Studio, LLC
    Size
    10 MB
    Category
    Graphics & Design
    Compatibility
    Requires iOS 26 or later.
    • iPhone
      Requires iOS 26 or later.
    • iPad
      Requires iPadOS 26 or later.
    • Apple Vision
      Requires visionOS 26.0 or later.
    Languages
    English and 21 more
    • English, Croatian, Czech, Danish, Dutch, Finnish, French, German, Indonesian, Italian, Japanese, Korean, Norwegian Bokmål, Polish, Portuguese, Simplified Chinese, Spanish, Swedish, Thai, Turkish, Ukrainian, Vietnamese
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    © 2026 Flatlander Studio, LLC
  • Developer Website
  • Privacy Policy

    • More by Flatlander Studio

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