# #18583e

A color — dark, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#18583e`
- RGB: rgb(24, 88, 62)
- HSL: hsl(156, 57%, 22%)
- OKLCH: oklch(0.413 0.078 162.2)
- Relative luminance: 0.0752
- Nearest named color: Evergreen (#125b49, Δ 1.68) — https://brandsweets.com/colors/evergreen
- Moods: dark, luxury, bold
- Page: https://brandsweets.com/colors/18583e

## Tints & shades

- Tints (toward white): #217855, #299469, #31b480, #3fca93, #5fd3a5, #7fdcb7, #9be4c7, #bbecd9, #d7f4e8, #f7fdfa
- Shades (toward black): #165039, #144833, #134430, #103c2b, #0e3425, #0c2c1f, #0a241a, #092017, #071811, #04100b

## Harmonies

- Complementary: #581832
- Analogous: #18581f, #185258
- Triadic: #3e1858, #583e18
- Split-complementary: #581852, #581f18
- Tetradic: #1f1858, #581832, #525818

## Colors that go with #18583e

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

- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #18583e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: MAC Cosmetics (https://brandsweets.com/colors/brands/maccosmetics-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/crimson
- **Blue** #0000ff [pool] — 5 real palettes, including Rolex's brand system and Jeep's brand system put Blue beside #18583e, as the accent. Seen in: Rolex (https://brandsweets.com/colors/brands/rolex-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Instacart (https://brandsweets.com/colors/brands/instacart-com). — https://brandsweets.com/colors/blue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #18583e: 4 real palettes, including Hinge's brand system and Jack Daniel's's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/denim
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #18583e in 4 real palettes, including Neon's brand system and CircleCI's brand system, as the lead colour. Seen in: Neon (https://brandsweets.com/colors/brands/neon-tech), CircleCI (https://brandsweets.com/colors/brands/circleci-com), Chime (https://brandsweets.com/colors/brands/chime-com), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com). — https://brandsweets.com/colors/emerald-green
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #18583e in 4 real palettes, including Neon's brand system and HubSpot's brand system, as the accent. Seen in: Neon (https://brandsweets.com/colors/brands/neon-tech), HubSpot (https://brandsweets.com/colors/brands/hubspot-com), Clerk (https://brandsweets.com/colors/brands/clerk-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com). — https://brandsweets.com/colors/orangered
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #18583e in 5 real palettes, including Disney's brand system and Console Light, as the lead colour. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Console Light (https://brandsweets.com/palettes/technical#console-light), Zoom (https://brandsweets.com/colors/brands/zoom-us), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/royalblue
- **Rust** #b7410e [harmony, pool: triadic] — Rust completes a triad with #18583e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Trailhead (https://brandsweets.com/palettes/warm#trailhead), IHG (https://brandsweets.com/colors/brands/ihg-com), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/rust
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #18583e: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke

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

- On white (#ffffff): 8.39:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.5:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #24845e (4.54:1); AA: background → #bfbfbf (4.56:1); AAA: text → #2fac7a (7.3:1); AAA: background → #ebebeb (7.03:1)

## Fonts for this mood

- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/18583e-a2beb6-d459c6-1f2d2d-e9f1ea?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: "#18583e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.