Best Fluent UI Theme Designer Alternatives in 2026
The top Fluent UI Theme Designer alternatives are Coolors, Pantone Connect Palette Generator and KColor: 15 color palette generators our editors would look at instead of Fluent UI Theme Designer, in our ranking order.
Fluent UI Theme Designer: A focused web tool for building accessible Fluent UI semantic themes. Where it falls short: does not extract palettes from images.
Switching from Fluent UI Theme Designer? For most color palette generators buyers the best Fluent UI Theme Designer alternative is Coolors, built for most designers needing an all-round palette tool.
Why People Look for a Fluent UI Theme Designer Alternative
- Does not extract palettes from images
- Does not save palettes
- Focused on Fluent UI React rather than general palette generation
- No image extraction — 9 of the alternatives below have it
- No saved palettes — 9 of the alternatives below have it
Quick Picks by What You Need
- Best overallCoolors9.4
Most designers needing an all-round palette tool
Visit Coolors - Lowest priceCoolors9.4
Paid plans from $3/mo
Visit Coolors - Best free optionCoolors9.4
Has a free plan
Visit Coolors - Best for image extractionCoolors9.4
Image extraction (Fluent UI Theme Designer: no)
Visit Coolors
All 15 Fluent UI Theme Designer Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forMost designers needing an all-round palette tool
- Better than Fluent UI Theme Designer:
- Image extraction
- Saved palettes
- Brand color library
A broad palette toolkit with useful free features and a $3 monthly Pro plan.
- Brand color library
- Image extraction
- Saved palettes
9.4/10★★★★★Visit Coolors -
Best forPrint professionals working in Pantone workflows
- Better than Fluent UI Theme Designer:
- Image extraction
- Saved palettes
- Brand color library
A strong Pantone workflow for print-focused designers who need conversion and Adobe support.
- Brand color library
- Print color support
- Image extraction
9.0/10★★★★☆Visit site -
Best forDevelopers wanting a free, highly flexible generator
- Better than Fluent UI Theme Designer:
- Image extraction
- Saved palettes
A free, highly flexible palette generator with accessibility checks and developer-ready exports.
- Print color support
- Image extraction
- Saved palettes
7.9/10★★★★☆Visit KColor -
Best forBrand teams wanting free AI-assisted palette work
- Better than Fluent UI Theme Designer:
- Image extraction
- Saved palettes
- Brand color library
A free web toolkit for creating, checking, previewing, and exporting brand palettes.
- Brand color library
- Print color support
- Image extraction
7.8/10★★★★☆Visit Colorfool -
Best forProduct teams generating code-ready brand systems
- Better than Fluent UI Theme Designer:
- Image extraction
- Saved palettes
- Brand color library
A free, code-ready palette generator with accessibility checks and broad developer exports.
- Brand color library
- Image extraction
- Saved palettes
7.7/10★★★★☆Visit site -
Best forDevelopers building accessible adaptive color systems
- Better than Fluent UI Theme Designer:
- Image extraction
A technical palette toolkit for adaptive themes, accessibility, and data visualization.
- Print color support
- Image extraction
- Accessibility checks
7.6/10★★★★☆Visit Leonardo -
Best forDesigners needing detailed color controls cheaply
- Better than Fluent UI Theme Designer:
- Image extraction
- Saved palettes
A detailed, affordable color toolkit with strong free features and web-only access.
- Print color support
- Image extraction
- Saved palettes
7.5/10★★★★☆Visit ColorDesigner -
Best forDesigners wanting a free visual palette workbench
- Better than Fluent UI Theme Designer:
- Image extraction
- Saved palettes
A free web palette workbench with AI generation, extraction, accessibility checks, and exports.
- Image extraction
- Saved palettes
- Accessibility checks
7.4/10★★★★☆Visit ColorKit -
Best forUsers wanting free AI palettes with API access
- Better than Fluent UI Theme Designer:
- Image extraction
- Saved palettes
A free palette generator with AI inputs, accessibility checks, exports, and palette-search API access.
- Image extraction
- Saved palettes
- Accessibility checks
7.3/10★★★★☆Visit ColorMagic -
Best forOpen-source teams building tokenized themes
- Better than Fluent UI Theme Designer:
- Brand color library
A free, open-source browser tool for accessible, tokenized Designsystemet themes.
- Brand color library
- Accessibility checks
7.2/10★★★★☆Visit Theme Builder -
Best forDevelopers creating systematic UI color scales
A free web tool for systematic, accessible UI color scales.
- Accessibility checks
7.1/10★★★★☆Visit ColorBox -
Best forOpen-source teams designing accessible UI themes
A focused web tool for semantic themes, contrast checks, previews, and developer-ready exports.
- Accessibility checks
7.0/10★★★★☆Visit site -
Best forTeams building structured design-token systems
- Better than Fluent UI Theme Designer:
- Saved palettes
- Brand color library
A capable palette system for teams that need accessible, exportable design tokens.
- Brand color library
- Print color support
- Saved palettes
6.9/10★★★☆☆Visit Atmos -
Best forMaterial Design framework projects
A focused, open-source palette generator for Material Design projects.
- Accessibility checks
6.7/10★★★☆☆Open Color Generator -
Best forProgrammatic perceptual palettes
A focused open-source tool for programmatic, perceptually separated color palettes.
6.6/10★★★☆☆Visit iWantHue
Fluent UI Theme Designer Alternatives: Common Questions
What is the best alternative to Fluent UI Theme Designer?
Coolors: #1 in our Color Palette Generators ranking, with an editor score of 9.4 out of 10. A broad palette toolkit with useful free features and a $3 monthly Pro plan.
Is there a free alternative to Fluent UI Theme Designer?
Yes. Coolors, Pantone Connect Palette Generator, KColor, Colorfool and Color Palette Generator AI have a free plan or a free tier (14 of the 15 alternatives on this page).
What is the cheapest paid alternative to Fluent UI Theme Designer?
Of the alternatives here that publish a price, Coolors starts lowest, at $3/mo.
Why do people look for Fluent UI Theme Designer alternatives?
Does not extract palettes from images; Does not save palettes; Focused on Fluent UI React rather than general palette generation.
How do I switch from Fluent UI Theme Designer?
Export your data from Fluent UI Theme Designer (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Fluent UI Theme Designer.
How to Switch from Fluent UI Theme Designer
- Export your data from Fluent UI Theme Designer (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Fluent UI Theme Designer.
Fluent UI Theme Designer vs Each Alternative
| # | Tool | Free plan | Paid from | Palette methods | Image extraction | Accessibility checks | Export formats | Score |
|---|---|---|---|---|---|---|---|---|
| 3 | Fluent UI Theme Designer | Free | Generate | No | Yes | Code, JSON, PowerShell | 8.7 | |
| 1 | Coolors | Yes | $3/mo | Both | Yes | Yes | PDF, image, CSS, ASE, SVG, code, Tailwind, Procreate | 9.4 |
| 2 | Pantone Connect Palette Generator | Yes | Both | Yes | Yes | 9.0 | ||
| 3 | KColor | Yes | Free | Both | Yes | Yes | SCSS, CSS, Tailwind, Bootstrap, Radix, JSON, CSV, PNG, SVG, ASE, Hex, OKLCH, HSL, RGB, Display-P3 | 7.9 |
| 4 | Colorfool | Yes | Free | Both | Yes | Yes | CSS, SCSS, Tailwind, Figma/Tokens, JSON, Sketch, CMYK, PNG, ASE, .sketchpalette, .swatches, .pptx | 7.8 |
| 5 | Color Palette Generator AI | Yes | Free | Both | Yes | Yes | CSS custom properties, Tailwind config, W3C design tokens JSON, shadcn/ui theme, Claude Code, Cursor, Codex, generic agent format | 7.7 |
| 6 | Leonardo | Free | Both | Yes | Yes | SVG, Tableau (XML), CSS, JavaScript, design tokens, CSV | 7.6 | |
| 7 | ColorDesigner | Yes | $3.10/mo | Both | Yes | Yes | HEX, RGB, HSL, LAB, LCH, OKLAB, OKLCH | 7.5 |
| 8 | ColorKit | Yes | Free | Both | Yes | Yes | PNG, CSV, array, URL, HEX, RGB, HSL | 7.4 |
| 9 | ColorMagic | Yes | Free | Both | Yes | Yes | HEX, RGB, CSS, PNG | 7.3 |
| 10 | Designsystemet Theme Builder | Yes | Free | Generate | Yes | JSON, CSS | 7.2 | |
| 11 | ColorBox | Yes | Free | Generate | Yes | Config, Output, Tailwind, CSS, OKLCH, Swift | 7.1 | |
| 12 | UI Palette Generator | Free | Generate | Yes | CSV, Penpot native JSON, CSS variables | 7.0 | ||
| 13 | Atmos | No | Generate | Yes | SVG, Figma, CSS, JavaScript, JSON, Tailwind CSS, Style Dictionary, Design Tokens, Raw; color formats: HEX, HSL, RGB, CMYK, LCH, OKLCH | 6.9 | ||
| 14 | Material Design Color Generator | Free | Generate | Yes | Android XML, SCSS | 6.7 | ||
| 15 | iWantHue | Yes | Free | Generate | HEX, RGB, HCL, LAB, CSS, JavaScript | 6.6 |
Head-to-Head
- Fluent UI Theme Designer vs Coolors
- Fluent UI Theme Designer vs Pantone Connect Palette Generator
- Fluent UI Theme Designer vs KColor
- Fluent UI Theme Designer vs Colorfool
- Fluent UI Theme Designer vs Color Palette Generator AI
- Fluent UI Theme Designer vs Leonardo
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update