# #a91fe0

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#a91fe0`
- RGB: rgb(169, 31, 224)
- HSL: hsl(283, 76%, 50%)
- OKLCH: oklch(0.564 0.264 312.9)
- Relative luminance: 0.148
- Nearest named color: Ferocious Fuchsia (#aa00cc, Δ 3.548) — https://brandsweets.com/colors/ferocious-fuchsia
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/a91fe0

## Tints & shades

- Tints (toward white): #b235e3, #bb4be7, #c15de9, #ca74ec, #d38aef, #dba1f2, #e4b7f5, #eac9f8, #f3e0fb, #fcf6fe
- Shades (toward black): #991cca, #8b19b8, #7a16a2, #6c1490, #5c1179, #4b0d63, #3d0b51, #2c083a, #1f0628, #0e0212

## Harmonies

- Complementary: #56e01f
- Analogous: #491fe0, #e01fb6
- Triadic: #e0a91f, #1fe0a9
- Split-complementary: #b6e01f, #1fe049
- Tetradic: #e0491f, #56e01f, #1fb6e0

## Colors that go with #a91fe0

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #a91fe0 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/forestgreen
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #a91fe0: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #a91fe0: 3 real palettes, including Hasbro's brand system and Peacock, as the supporting colour. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Peacock (https://brandsweets.com/palettes/vivid#peacock), Linkedin (https://brandsweets.com/colors/brands/linkedin-com). — https://brandsweets.com/colors/denim
- **Medium Slate Blue** #7b68ee [harmony, pool: analogous] — Medium Slate Blue is #a91fe0's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: monday.com (https://brandsweets.com/colors/brands/monday-com), ClickUp (https://brandsweets.com/colors/brands/clickup-com). — https://brandsweets.com/colors/mediumslateblue
- **Dark Cyan** #008b8b [harmony, pool: triadic] — Dark Cyan completes a triad with #a91fe0 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/darkcyan
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #a91fe0: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #a91fe0: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Light Sea Green** #20b2aa [pool] — Light Sea Green shows up next to #a91fe0 in two real palettes: Taco Bell's brand system and Circuit, as the accent. Seen in: Taco Bell (https://brandsweets.com/colors/brands/tacobell-com), Circuit (https://brandsweets.com/palettes/technical#circuit). — https://brandsweets.com/colors/lightseagreen

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 5.3:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #8b19b8 (7.17:1)
- On black (#000000): 3.96:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #b235e3 (4.51:1); AA: background → #ededed (4.53:1); AAA: text → #ca74ec (7.22:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/a91fe0-bb9fc1-b2cb62-2d1f2b-ebe9f1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#a91fe0" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.