# #c666e1

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

## Values

- Hex: `#c666e1`
- RGB: rgb(198, 102, 225)
- HSL: hsl(287, 67%, 64%)
- OKLCH: oklch(0.67 0.196 318.4)
- Relative luminance: 0.2694
- Nearest named color: Lavender (#b56edc, Δ 3.34) — https://brandsweets.com/colors/lavender-2
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/c666e1

## Tints & shades

- Tints (toward white): #cb72e3, #d184e7, #d690e9, #dca1ec, #e1aeef, #e6bbf2, #ecccf5, #f1d9f7, #f7eafb, #fcf6fd
- Shades (toward black): #bd4cdc, #b333d7, #a227c4, #8d22aa, #781d91, #631877, #4d135e, #380d44, #23082b, #0e0311

## Harmonies

- Complementary: #80e166
- Analogous: #8966e1, #e166be
- Triadic: #e1c666, #66e1c6
- Split-complementary: #bee166, #66e189
- Tetradic: #e18966, #80e166, #66bee1

## Colors that go with #c666e1

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: complementary] — Medium Sea Green sits directly opposite #c666e1 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/mediumseagreen
- **Light Sea Green** #20b2aa [harmony, pool: split] — Light Sea Green is a split-complement of #c666e1: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Netlify (https://brandsweets.com/colors/brands/netlify-com). — https://brandsweets.com/colors/lightseagreen
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #c666e1: 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
- **Dark Goldenrod** #b8860b [harmony: split] — Dark Goldenrod is a split-complement of #c666e1: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darkgoldenrod
- **Hot Pink** #ff69b4 [harmony, pool: analogous] — Hot Pink is #c666e1's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/hotpink
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #c666e1 in two real palettes: Obsidian's brand system and monday.com's brand system, as the supporting colour. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), monday.com (https://brandsweets.com/colors/brands/monday-com). — https://brandsweets.com/colors/mediumslateblue
- **Taupe** #483c32 [pool] — Taupe is paired with #c666e1 in two real palettes: Loom's brand system and Obsidian's brand system, as that palette's text colour. Seen in: Loom (https://brandsweets.com/colors/brands/loom-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Cadet Blue** #5f9ea0 [harmony: triadic] — Cadet Blue completes a triad with #c666e1 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/cadetblue

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

- On white (#ffffff): 3.29:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #b63bd8 (4.56:1); AA: background → #262626 (4.6:1); AAA: text → #8d22aa (7.14:1)
- On black (#000000): 6.39:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #cb72e3 (7.06:1)

## 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/c666e1-bd9fc1-abcb62-2d1f2a-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: "#c666e1" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.