# #218786

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

## Values

- Hex: `#218786`
- RGB: rgb(33, 135, 134)
- HSL: hsl(179, 61%, 33%)
- OKLCH: oklch(0.568 0.089 194)
- Relative luminance: 0.1937
- Nearest named color: darkcyan (#008b8b, Δ 1.295) — https://brandsweets.com/colors/darkcyan
- Moods: vivid
- Page: https://brandsweets.com/colors/218786

## Tints & shades

- Tints (toward white): #28a4a2, #2ebdba, #3ed0ce, #57d6d4, #73dddb, #8ce3e2, #a9eae9, #c1f0ef, #def7f7, #f7fdfd
- Shades (toward black): #1e7b7a, #1b6f6d, #186361, #155655, #134e4d, #104241, #0d3535, #0a2929, #071d1c, #041010

## Harmonies

- Complementary: #872123
- Analogous: #218752, #215687
- Triadic: #862187, #878621
- Split-complementary: #872156, #875221
- Tetradic: #522187, #872123, #568721

## Colors that go with #218786

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 #218786: softer than #000 and cool enough to feel like part of the same palette. Seen in: N26 (https://brandsweets.com/colors/brands/n26-com), Gusto (https://brandsweets.com/colors/brands/gusto-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: triadic] — Copper completes a triad with #218786 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Riverbed (https://brandsweets.com/palettes/muted#riverbed), Wellness (https://brandsweets.com/palettes/warm#wellness), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [harmony, pool: complementary] — Crimson sits directly opposite #218786 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Redfin (https://brandsweets.com/colors/brands/redfin-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #218786 in 4 real palettes, including Beach Hut and Lemon Squeezy's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Wired (https://brandsweets.com/colors/brands/wired-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #218786: 5 real palettes, including Intel's brand system and Ink & Paper, as the lead colour. Seen in: Intel (https://brandsweets.com/colors/brands/intel-com), Ink & Paper (https://brandsweets.com/palettes/minimal#ink-and-paper), Glacier (https://brandsweets.com/palettes/cool#glacier), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/cobalt
- **Denim** #1560bd [pool] — Designers have shipped Denim with #218786: 11 real palettes, including Peacock and Intel's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), 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). — https://brandsweets.com/colors/denim
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #218786: 4 real palettes, including Wendy's's brand system and Honda's brand system, as the supporting colour. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com), Honda (https://brandsweets.com/colors/brands/honda-com), Newsprint (https://brandsweets.com/palettes/editorial#newsprint), AT&T (https://brandsweets.com/colors/brands/att-com). — https://brandsweets.com/colors/firebrick
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #218786 in 5 real palettes, including Sapphire & Gold and Mid-Century, as the supporting colour. Seen in: Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/goldenrod

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

- On white (#ffffff): 4.31:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #208382 (4.54:1); AA: background → #0d0d0d (4.51:1); AAA: text → #186361 (7.01:1)
- On black (#000000): 4.87:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #29a8a6 (7.25:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/218786-a2bbbe-d45996-1f272d-e9f1ed?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: "#218786" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.