# #66d16f

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

## Values

- Hex: `#66d16f`
- RGB: rgb(102, 209, 111)
- HSL: hsl(125, 54%, 61%)
- OKLCH: oklch(0.774 0.168 145.4)
- Relative luminance: 0.4957
- Nearest named color: Electric Lettuce (#7bd181, Δ 3.102) — https://brandsweets.com/colors/electric-lettuce
- Moods: neutral
- Page: https://brandsweets.com/colors/66d16f

## Tints & shades

- Tints (toward white): #76d67e, #81d989, #91de97, #a1e3a6, #b0e8b5, #bcebc0, #ccf0cf, #dcf4de, #e7f8e9, #f7fdf8
- Shades (toward black): #4eca59, #3bc446, #34ad3e, #2d9535, #27822e, #206a26, #19521d, #123b15, #0c270e, #051006

## Harmonies

- Complementary: #d166c8
- Analogous: #93d166, #66d1a5
- Triadic: #6f66d1, #d16f66
- Split-complementary: #a566d1, #d16693
- Tetradic: #6693d1, #d166c8, #d1a566

## Colors that go with #66d16f

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

- **Blue** #0000ff [pool] — 4 real palettes, including Minecraft's brand system and Unity's brand system put Blue beside #66d16f, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Unity (https://brandsweets.com/colors/brands/unity-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #66d16f: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #66d16f in 4 real palettes, including Brilliant's brand system and Docker's brand system, as the accent. Seen in: Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Docker (https://brandsweets.com/colors/brands/docker-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #66d16f in 10 real palettes, including WhatsApp's brand system and Minecraft's brand system, as the supporting colour. Seen in: WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Acer (https://brandsweets.com/colors/brands/acer-com), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #66d16f 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
- **Light Coral** #f08080 [harmony, pool: split] — Light Coral is a split-complement of #66d16f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/lightcoral
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #66d16f in 3 real palettes, including 7-Eleven's brand system and Undergrowth, as the supporting colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/darkolivegreen
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #66d16f in 3 real palettes, including Citrus Grove and Playground, as the lead colour. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Playground (https://brandsweets.com/palettes/bold#playground), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/darkorange

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

- On white (#ffffff): 1.92:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #288630 (4.62:1); AA: background → #4a4a4a (4.61:1); AAA: text → #1e6624 (7.04:1); AAA: background → #2e2e2e (7.06:1)
- On black (#000000): 10.91:1 — 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/66d16f-a2bea7-a54edf-1f2d26-ecf1e9?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: "#66d16f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.