# #66f613

A color — vivid. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#66f613`
- RGB: rgb(102, 246, 19)
- HSL: hsl(98, 93%, 52%)
- OKLCH: oklch(0.859 0.264 138.4)
- Relative luminance: 0.6878
- Nearest named color: lawngreen (#7cfc00, Δ 2.459) — https://brandsweets.com/colors/lawngreen
- Moods: vivid
- Page: https://brandsweets.com/colors/66f613

## Tints & shades

- Tints (toward white): #76f72b, #83f83f, #93f958, #a0fa6b, #affb84, #bffb9d, #ccfcb0, #dcfdc9, #e9fedd, #f9fff5
- Shades (toward black): #5ae708, #51cf07, #49bb07, #3fa206, #368a05, #2c7104, #235903, #1b4502, #112c02, #081401

## Harmonies

- Complementary: #a313f6
- Analogous: #d8f613, #13f631
- Triadic: #1366f6, #f61366
- Split-complementary: #3113f6, #f613d8
- Tetradic: #13d8f6, #a313f6, #f63113

## Colors that go with #66f613

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

- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #66f613 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Remix (https://brandsweets.com/colors/brands/remix-run), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/deepskyblue
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #66f613 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/violet
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #66f613: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Blue** #0000ff [pool] — Two real palettes: MongoDB's brand system and Robinhood's brand system put Blue beside #66f613, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Robinhood (https://brandsweets.com/colors/brands/robinhood-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #66f613: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Lilac** #c8a2c8 [harmony: split] — Lilac is a split-complement of #66f613: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lilac
- **Lime Green** #32cd32 [pool] — Two real palettes: Monster Energy's brand system and Duolingo's brand system put Lime Green beside #66f613, as the accent. Seen in: Monster Energy (https://brandsweets.com/colors/brands/monsterenergy-com), Duolingo (https://brandsweets.com/colors/brands/duolingo). — https://brandsweets.com/colors/limegreen
- **Red** #ff0000 [pool] — Red is paired with #66f613 in two real palettes: Gatorade's brand system and Wise's brand system, as the supporting colour. Seen in: Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/red

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

- On white (#ffffff): 1.42:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #348505 (4.66:1); AA: background → #5e5e5e (4.56:1); AAA: text → #266204 (7.42:1); AAA: background → #424242 (7.06:1)
- On black (#000000): 14.76:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/66f613-a9bea2-644edf-1f2d20-f0f1e9?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: "#66f613" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.