# #66bc5c

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

## Values

- Hex: `#66bc5c`
- RGB: rgb(102, 188, 92)
- HSL: hsl(114, 42%, 55%)
- OKLCH: oklch(0.719 0.157 141.7)
- Relative luminance: 0.3956
- Nearest named color: Bermudagrass (#6bc271, Δ 2.685) — https://brandsweets.com/colors/bermudagrass
- Moods: neutral
- Page: https://brandsweets.com/colors/66bc5c

## Tints & shades

- Tints (toward white): #73c26b, #84ca7d, #92d08b, #a0d69a, #b1ddac, #bee3ba, #cce9c9, #daefd7, #ebf6e9, #f8fcf8
- Shades (toward black): #55b54a, #4ca343, #44913b, #3b7f34, #336d2c, #295723, #20451c, #183315, #0f210d, #070e06

## Harmonies

- Complementary: #b35cbc
- Analogous: #96bc5c, #5cbc83
- Triadic: #5c66bc, #bc5c66
- Split-complementary: #835cbc, #bc5c96
- Tetradic: #5c96bc, #b35cbc, #bc835c

## Colors that go with #66bc5c

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

- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #66bc5c: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Docker (https://brandsweets.com/colors/brands/docker-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #66bc5c in 4 real palettes, including Undergrowth and Forest Floor, as the supporting colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com). — https://brandsweets.com/colors/darkolivegreen
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #66bc5c in 5 real palettes, including Brilliant's brand system and Khan Academy's brand system, as the accent. Seen in: Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Docker (https://brandsweets.com/colors/brands/docker-com), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #66bc5c in 15 real palettes, including Meadow and Minecraft's brand system, as the text colour against it. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Acer (https://brandsweets.com/colors/brands/acer-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Orchid** #da70d6 [harmony: complementary] — Orchid sits directly opposite #66bc5c 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/orchid
- **Blue** #0000ff [pool] — 3 real palettes, including Minecraft's brand system and Spotify's brand system put Blue beside #66bc5c, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Spotify (https://brandsweets.com/colors/brands/spotify), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #66bc5c — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/cornflowerblue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #66bc5c in 3 real palettes, including Playground and Citrus Grove, as the lead colour. Seen in: Playground (https://brandsweets.com/palettes/bold#playground), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/darkorange

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

- On white (#ffffff): 2.36:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3d8235 (4.73:1); AA: background → #3d3d3d (4.61:1); AAA: text → #2e6228 (7.26:1); AAA: background → #1c1c1c (7.23:1)
- On black (#000000): 8.91:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Peloton** — primary #6cbc4c (Δ 1.564) — https://brandsweets.com/colors/brands/peloton-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/66bc5c-a2bea2-8a4edf-1f2d24-eef1e9?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: "#66bc5c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.