# #18866d

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

## Values

- Hex: `#18866d`
- RGB: rgb(24, 134, 109)
- HSL: hsl(166, 70%, 31%)
- OKLCH: oklch(0.556 0.101 172.6)
- Relative luminance: 0.1835
- Nearest named color: Elf (#1b8a6b, Δ 1.401) — https://brandsweets.com/colors/elf
- Moods: vivid
- Page: https://brandsweets.com/colors/18866d

## Tints & shades

- Tints (toward white): #1da585, #22bf9a, #2bdab1, #49dfbc, #67e4c7, #81e9d1, #a0eedc, #bef4e7, #d8f8f1, #f6fdfc
- Shades (toward black): #157962, #14715b, #126451, #0f5746, #0e4e3f, #0b4135, #09342a, #072720, #051e19, #03110e

## Harmonies

- Complementary: #861832
- Analogous: #188635, #186986
- Triadic: #6d1886, #866d18
- Split-complementary: #861869, #863518
- Tetradic: #351886, #861832, #698618

## Colors that go with #18866d

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 text near-black for #18866d: softer than #000 and cool enough to feel like part of the same palette. Seen in: N26 (https://brandsweets.com/colors/brands/n26-com), Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Gusto (https://brandsweets.com/colors/brands/gusto-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #18866d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix), Coinbase (https://brandsweets.com/colors/brands/coinbase), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/crimson
- **Medium Violet Red** #c71585 [harmony, pool: complementary] — Medium Violet Red sits directly opposite #18866d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Bun (https://brandsweets.com/colors/brands/bun-sh). — https://brandsweets.com/colors/mediumvioletred
- **Copper** #b87333 [pool] — Designers have shipped Copper with #18866d: 5 real palettes, including Wellness and Riverbed, as the supporting colour. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/copper
- **Denim** #1560bd [pool] — Designers have shipped Denim with #18866d: 7 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour. Seen in: Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Paramount+'s brand system and Tide Pool put Midnight Blue beside #18866d, as the supporting colour. Seen in: Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/midnightblue
- **Orange** #ffa500 [pool] — 4 real palettes, including Farmers Market and Campus put Orange beside #18866d, as the accent. Seen in: Farmers Market (https://brandsweets.com/palettes/warm#farmers-market), Campus (https://brandsweets.com/palettes/friendly#campus), Graphite (https://brandsweets.com/palettes/technical#graphite), Olympics (https://brandsweets.com/colors/brands/olympics-com). — https://brandsweets.com/colors/orange
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #18866d in 6 real palettes, including Subaru's brand system and Coinbase's brand system, as the supporting colour. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Xbox (https://brandsweets.com/colors/brands/xbox-com), Slate Workspace (https://brandsweets.com/palettes/minimal#slate-workspace). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 4.5:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #178269 (4.74:1); AA: background → #050505 (4.53:1); AAA: text → #126451 (7.08:1)
- On black (#000000): 4.67:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1ea989 (7.09:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/18866d-a2bebb-d459b1-1f2a2d-e9f1ec?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: "#18866d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.