# #218c4e

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

## Values

- Hex: `#218c4e`
- RGB: rgb(33, 140, 78)
- HSL: hsl(145, 62%, 34%)
- OKLCH: oklch(0.566 0.134 152.7)
- Relative luminance: 0.1963
- Nearest named color: Center Field (#008b56, Δ 1.363) — https://brandsweets.com/colors/center-field
- Moods: vivid
- Page: https://brandsweets.com/colors/218c4e

## Tints & shades

- Tints (toward white): #27a55b, #2ec26b, #3dd17b, #5ad88e, #73de9f, #8be4b0, #a8ebc4, #c1f0d5, #def7e8, #f7fdf9
- Shades (toward black): #1e8047, #1b7440, #186739, #155b32, #124e2b, #104225, #0d361e, #0a2917, #071d10, #041109

## Harmonies

- Complementary: #8c2160
- Analogous: #2a8c21, #218c83
- Triadic: #4e218c, #8c4e21
- Split-complementary: #83218c, #8c212a
- Tetradic: #212a8c, #8c2160, #8c8321

## Colors that go with #218c4e

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 #218c4e: softer than #000 and cool enough to feel like part of the same palette. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), N26 (https://brandsweets.com/colors/brands/n26-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #218c4e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Subaru (https://brandsweets.com/colors/brands/subaru-com), Xbox (https://brandsweets.com/colors/brands/xbox-com), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/royalblue
- **Medium Violet Red** #c71585 [harmony, pool: complementary] — Medium Violet Red sits directly opposite #218c4e 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 #218c4e: 4 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
- **Crimson** #dc143c [pool] — Crimson is paired with #218c4e in 7 real palettes, including Coinbase's brand system and Five Guys's brand system. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #218c4e: 6 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 Telehealth put Midnight Blue beside #218c4e, as the supporting colour. Seen in: Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/midnightblue
- **Taupe** #483c32 [pool] — Taupe is paired with #218c4e in 12 real palettes, including Subaru's brand system and Acer's brand system, as that palette's text colour. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com), Acer (https://brandsweets.com/colors/brands/acer-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 4.26:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #1f8449 (4.71:1); AA: background → #0d0d0d (4.56:1); AAA: text → #176337 (7.3:1)
- On black (#000000): 4.93:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #29ae60 (7.32:1)

## Brands using this color

- **Lemon Squeezy** — secondary #1e874c (Δ 1.544) — https://brandsweets.com/colors/brands/lemonsqueezy-com
- **Kia** — secondary #00884d (Δ 1.674) — https://brandsweets.com/colors/brands/kia-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/218c4e-a2beb1-cc59d4-1f2d2b-eaf1e9?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: "#218c4e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.