# #1b655a

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

## Values

- Hex: `#1b655a`
- RGB: rgb(27, 101, 90)
- HSL: hsl(171, 58%, 25%)
- OKLCH: oklch(0.459 0.073 180.9)
- Relative luminance: 0.1028
- Nearest named color: Mosque (#005f5b, Δ 2.435) — https://brandsweets.com/colors/mosque
- Moods: dark, luxury, bold
- Page: https://brandsweets.com/colors/1b655a

## Tints & shades

- Tints (toward white): #228173, #2ba18f, #32bda9, #46ceb9, #66d6c5, #82ded0, #9ee5db, #bbede5, #dbf5f1, #f7fdfc
- Shades (toward black): #195d52, #16554b, #144d44, #12443d, #103c36, #0d302b, #0b2824, #09201d, #061816, #04100e

## Harmonies

- Complementary: #651b26
- Analogous: #1b6535, #1b4b65
- Triadic: #5a1b65, #655a1b
- Split-complementary: #651b4b, #65351b
- Tetradic: #351b65, #651b26, #4b651b

## Colors that go with #1b655a

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

- **Blue** #0000ff [pool] — 4 real palettes, including Rolex's brand system and Warp's brand system put Blue beside #1b655a, as the accent. Seen in: Rolex (https://brandsweets.com/colors/brands/rolex-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Jeep (https://brandsweets.com/colors/brands/jeep-com), Kia (https://brandsweets.com/colors/brands/kia-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #1b655a: 4 real palettes, including Alpine and Paper & Pine, as the supporting colour. Seen in: Alpine (https://brandsweets.com/palettes/cool#alpine), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #1b655a, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #1b655a: 4 real palettes, including Desert Road and Clay & Linen, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #1b655a in 8 real palettes, including Gemstone and Codecademy's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Redfin (https://brandsweets.com/colors/brands/redfin-com), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #1b655a: 9 real palettes, including HP's brand system and The New York Times's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), The New York Times (https://brandsweets.com/colors/brands/nytimes-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/denim
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #1b655a: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke
- **Rust** #b7410e [harmony, pool: split] — Rust is a split-complement of #1b655a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Trailhead (https://brandsweets.com/palettes/warm#trailhead), IHG (https://brandsweets.com/colors/brands/ihg-com). — https://brandsweets.com/colors/rust

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

- On white (#ffffff): 6.87:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1a6156 (7.27:1)
- On black (#000000): 3.06:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #238576 (4.69:1); AA: background → #d1d1d1 (4.5:1); AAA: text → #2da997 (7.23:1)

## 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/1b655a-a2bebd-d459a7-1f292d-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: "#1b655a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.