# #c599fa

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

## Values

- Hex: `#c599fa`
- RGB: rgb(197, 153, 250)
- HSL: hsl(267, 91%, 79%)
- OKLCH: oklch(0.76 0.142 304.1)
- Relative luminance: 0.4155
- Nearest named color: Diva (#c9a0ff, Δ 1.87) — https://brandsweets.com/colors/diva
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/c599fa

## Tints & shades

- Tints (toward white): #caa2fb, #d0acfb, #d5b6fc, #dbc0fc, #e0c9fc, #e3cefd, #e9d8fd, #eee2fe, #f4ecfe, #f9f5ff
- Shades (toward black): #b177f9, #9b50f7, #872ef5, #720bef, #610acd, #4f08a6, #3f0684, #2c045d, #1c033a, #090113

## Harmonies

- Complementary: #cefa99
- Analogous: #999efa, #f599fa
- Triadic: #fac599, #99fac5
- Split-complementary: #faf599, #9efa99
- Tetradic: #fa999e, #cefa99, #99faf5

## Colors that go with #c599fa

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

- **Amber** #ffbf00 [pool] — Amber is paired with #c599fa in 4 real palettes, including Ahrefs's brand system and Gumroad's brand system, as the supporting colour. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Gumroad (https://brandsweets.com/colors/brands/gumroad-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/amber
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #c599fa: 4 real palettes, including Calm's brand system and Calendly's brand system, as the lead colour. Seen in: Calm (https://brandsweets.com/colors/brands/calm-com), Calendly (https://brandsweets.com/colors/brands/calendly-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Max (https://brandsweets.com/colors/brands/max-com). — https://brandsweets.com/colors/deepskyblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #c599fa in 4 real palettes, including Sephora's brand system and Roblox's brand system, as the supporting colour. Seen in: Sephora (https://brandsweets.com/colors/brands/sephora-com), Roblox (https://brandsweets.com/colors/brands/roblox-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), 1password (https://brandsweets.com/colors/brands/1password-com). — https://brandsweets.com/colors/royalblue
- **Yellow Green** #9acd32 [harmony: complementary] — Yellow Green sits directly opposite #c599fa 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/yellowgreen
- **Emerald Green** #50c878 [harmony, pool: split] — Emerald Green is a split-complement of #c599fa: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Supabase (https://brandsweets.com/colors/brands/supabase), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/emerald-green
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #c599fa: softer than #000 and cool enough to feel like part of the same palette. Seen in: Auth0 (https://brandsweets.com/colors/brands/auth0-com), Mercury (https://brandsweets.com/colors/brands/mercury-com). — https://brandsweets.com/colors/charcoal
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #c599fa in 3 real palettes, including Obsidian's brand system and Lavender Haze, as the supporting colour. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/mediumslateblue
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Lavender Haze and Lavender Milk put Midnight Blue beside #c599fa, as the text colour against it. Seen in: Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk), Railway (https://brandsweets.com/colors/brands/railway-app). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 2.26:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9546f6 (4.68:1); AA: background → #404040 (4.6:1); AAA: text → #6f0bea (7.21:1); AAA: background → #212121 (7.14:1)
- On black (#000000): 9.31:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Semrush** — primary #c494fc (Δ 1.334) — https://brandsweets.com/colors/brands/semrush-com

## Fonts for this mood

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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/c599fa-b39cc4-dfda4e-2c1f2d-e9eaf1?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: "#c599fa" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.