# #90579e

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

## Values

- Hex: `#90579e`
- RGB: rgb(144, 87, 158)
- HSL: hsl(288, 29%, 48%)
- OKLCH: oklch(0.548 0.124 319.5)
- Relative luminance: 0.1521
- Nearest named color: Bermuda Onion (#9d5a8f, Δ 3.674) — https://brandsweets.com/colors/bermuda-onion
- Moods: cool, muted
- Page: https://brandsweets.com/colors/90579e

## Tints & shades

- Tints (toward white): #9c64aa, #a775b3, #b185bc, #bc96c5, #c6a6ce, #d1b7d7, #dbc7e0, #e6d8e9, #f0e8f2, #fbf8fb
- Shades (toward black): #845091, #754780, #693f73, #5a3663, #4e2f56, #422848, #331f38, #27182b, #180e1a, #0c070d

## Harmonies

- Complementary: #659e57
- Analogous: #6c579e, #9e5789
- Triadic: #9e9057, #579e90
- Split-complementary: #899e57, #579e6c
- Tetradic: #9e6c57, #659e57, #57899e

## Colors that go with #90579e

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 #90579e 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
- **Orange** #ffa500 [pool] — 4 real palettes, including Rippling's brand system and Sunset Boulevard put Orange beside #90579e, as the lead colour. Seen in: Rippling (https://brandsweets.com/colors/brands/rippling-com), Sunset Boulevard (https://brandsweets.com/palettes/warm#sunset-boulevard), Campus (https://brandsweets.com/palettes/friendly#campus), Graphite (https://brandsweets.com/palettes/technical#graphite). — https://brandsweets.com/colors/orange
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #90579e: 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 #90579e: 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 #90579e: 3 real palettes, including Linkedin's brand system and Peacock, as the lead colour. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Peacock (https://brandsweets.com/palettes/vivid#peacock), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Marvel's brand system and Plaid's brand system put Midnight Blue beside #90579e, 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). — https://brandsweets.com/colors/midnightblue
- **Dark Olive Green** #556b2f [harmony: split] — Dark Olive Green is a split-complement of #90579e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darkolivegreen
- **Coral** #ff7f50 [pool] — Designers have shipped Coral with #90579e: two real palettes: Dusk Gradient and Clinic, as the lead colour. Seen in: Dusk Gradient (https://brandsweets.com/palettes/dark#dusk-gradient), Clinic (https://brandsweets.com/palettes/clean#clinic). — https://brandsweets.com/colors/coral

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

- On white (#ffffff): 5.19:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #754780 (7.07:1)
- On black (#000000): 4.04:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9a61a8 (4.65:1); AA: background → #f0f0f0 (4.56:1); AAA: text → #b389be (7.24:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/90579e-be9fc1-aacb62-2d1f2a-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: "#90579e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.