# #90599b

A color — cool, muted. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#90599b`
- RGB: rgb(144, 89, 155)
- HSL: hsl(290, 27%, 48%)
- OKLCH: oklch(0.55 0.117 320.8)
- Relative luminance: 0.1544
- Nearest named color: Bermuda Onion (#9d5a8f, Δ 3.139) — https://brandsweets.com/colors/bermuda-onion
- Moods: cool, muted
- Page: https://brandsweets.com/colors/90599b

## Tints & shades

- Tints (toward white): #9d67a8, #a777b1, #b287ba, #bc97c3, #c7a8cd, #d1b8d6, #dbc8df, #e6d8e9, #f0e8f2, #fbf9fb
- Shades (toward black): #84528e, #75497e, #694171, #5a3861, #4e3054, #422947, #332037, #27182a, #180f1a, #0c070d

## Harmonies

- Complementary: #649b59
- Analogous: #6f599b, #9b5985
- Triadic: #9b9059, #599b90
- Split-complementary: #859b59, #599b6f
- Tetradic: #9b6f59, #649b59, #59859b

## Colors that go with #90599b

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

- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #90599b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/seagreen
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Marvel's brand system and Plaid's brand system put Midnight Blue beside #90599b, as the supporting colour. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com). — https://brandsweets.com/colors/midnightblue
- **Orange** #ffa500 [pool] — 4 real palettes, including Campus and Graphite put Orange beside #90599b, as the accent. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Graphite (https://brandsweets.com/palettes/technical#graphite), Sunset Boulevard (https://brandsweets.com/palettes/warm#sunset-boulevard), Rippling (https://brandsweets.com/colors/brands/rippling-com). — https://brandsweets.com/colors/orange
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #90599b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Clinic (https://brandsweets.com/palettes/clean#clinic). — https://brandsweets.com/colors/teal
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #90599b: softer than #000 and cool enough to feel like part of the same palette. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #90599b: 3 real palettes, including Linkedin's brand system and Campus, as the lead colour. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Campus (https://brandsweets.com/palettes/friendly#campus), Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/denim
- **Taupe** #483c32 [pool] — Taupe is paired with #90599b in 3 real palettes, including Superhuman's brand system and Dusk, as the lead colour. Seen in: Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Dusk (https://brandsweets.com/palettes/cool#dusk), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono). — https://brandsweets.com/colors/taupe
- **Dark Olive Green** #556b2f [harmony: split] — Dark Olive Green is a split-complement of #90599b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darkolivegreen

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

- On white (#ffffff): 5.14:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #72477b (7.23:1)
- On black (#000000): 4.09:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9960a4 (4.56:1); AA: background → #f0f0f0 (4.51:1); AAA: text → #b287ba (7.07:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/90599b-bf9fc1-a6cb62-2d1f29-ece9f1?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: "#90599b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.