# #b577c5

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

## Values

- Hex: `#b577c5`
- RGB: rgb(181, 119, 197)
- HSL: hsl(288, 40%, 62%)
- OKLCH: oklch(0.662 0.131 319.2)
- Relative luminance: 0.2705
- Nearest named color: Lavendless (#b86fc2, Δ 1.843) — https://brandsweets.com/colors/lavendless
- Moods: cool, modern
- Page: https://brandsweets.com/colors/b577c5

## Tints & shades

- Tints (toward white): #bd86cb, #c390d0, #cb9fd6, #d0a9da, #d8b8e0, #e0c6e7, #e6d1eb, #eedff1, #f3eaf6, #fbf8fc
- Shades (toward black): #aa62bc, #9e4db3, #8e45a1, #7b3c8b, #683276, #552960, #42204b, #331839, #200f24, #0d060e

## Harmonies

- Complementary: #87c577
- Analogous: #8f77c5, #c577ae
- Triadic: #c5b577, #77c5b5
- Split-complementary: #aec577, #77c58f
- Tetradic: #c58f77, #87c577, #77aec5

## Colors that go with #b577c5

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

- **Medium Sea Green** #3cb371 [harmony, pool: complementary] — Medium Sea Green sits directly opposite #b577c5 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/mediumseagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #b577c5 in 3 real palettes, including Mastodon hosted on mastodon.social's brand system and Blueprint, as the accent. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/amber
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #b577c5: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/charcoal
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #b577c5 in 3 real palettes, including Obsidian's brand system and Mastodon hosted on mastodon.social's brand system, as the supporting colour. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/mediumslateblue
- **Taupe** #483c32 [pool] — Taupe is paired with #b577c5 in 3 real palettes, including Obsidian's brand system and Loom's brand system, as the text colour against it. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Loom (https://brandsweets.com/colors/brands/loom-com), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/taupe
- **Cadet Blue** #5f9ea0 [harmony: split] — Cadet Blue is a split-complement of #b577c5: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/cadetblue
- **Dark Goldenrod** #b8860b [harmony: split] — Dark Goldenrod is a split-complement of #b577c5: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darkgoldenrod
- **Blue** #0000ff [pool] — Two real palettes: Canva's brand system and Spotify's brand system put Blue beside #b577c5, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 3.28:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #a457b7 (4.54:1); AA: background → #262626 (4.62:1); AAA: text → #7e3d8f (7.12:1)
- On black (#000000): 6.41:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #bb82c9 (7.15:1)

## Fonts for this mood

- 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/b577c5-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: "#b577c5" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.