# #155456

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

## Values

- Hex: `#155456`
- RGB: rgb(21, 84, 86)
- HSL: hsl(182, 61%, 21%)
- OKLCH: oklch(0.409 0.061 198.1)
- Relative luminance: 0.0717
- Nearest named color: Cape Verde (#01554f, Δ 1.652) — https://brandsweets.com/colors/cape-verde
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/155456

## Tints & shades

- Tints (toward white): #1d7477, #249094, #2cb0b5, #3acacf, #5bd3d7, #78dbde, #98e4e6, #b9ecee, #d6f4f5, #f7fdfd
- Shades (toward black): #134c4e, #12484a, #104042, #0e3839, #0d3435, #0b2c2d, #092425, #071c1d, #061819, #041010

## Harmonies

- Complementary: #561715
- Analogous: #155638, #153356
- Triadic: #561554, #545615
- Split-complementary: #561533, #563815
- Tetradic: #381556, #561715, #335615

## Colors that go with #155456

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: complementary] — Crimson sits directly opposite #155456 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/crimson
- **Blue** #0000ff [pool] — 8 real palettes, including Jeep's brand system and Rolex's brand system put Blue beside #155456, as the accent. Seen in: Jeep (https://brandsweets.com/colors/brands/jeep-com), Rolex (https://brandsweets.com/colors/brands/rolex-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Instacart (https://brandsweets.com/colors/brands/instacart-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #155456: 4 real palettes, including Paper & Pine and Open House, as the supporting colour. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Open House (https://brandsweets.com/palettes/clean#open-house), Alpine (https://brandsweets.com/palettes/cool#alpine), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #155456: 4 real palettes, including Desert Road and Notion's brand system, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Notion (https://brandsweets.com/colors/brands/notion), Dusk (https://brandsweets.com/palettes/cool#dusk), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Denim** #1560bd [pool] — Designers have shipped Denim with #155456: 10 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 #155456 in 6 real palettes, including Neon's brand system and Chime's brand system, as the lead colour. Seen in: Neon (https://brandsweets.com/colors/brands/neon-tech), Chime (https://brandsweets.com/colors/brands/chime-com), Docker (https://brandsweets.com/colors/brands/docker-com), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com). — https://brandsweets.com/colors/emerald-green
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #155456 in 4 real palettes, including Fireside and Disney's brand system, as the accent. Seen in: Fireside (https://brandsweets.com/palettes/dark#fireside), Disney (https://brandsweets.com/colors/brands/disney-com), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/goldenrod
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #155456: 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): 8.63:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.43:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #218487 (4.72:1); AA: background → #bdbdbd (4.59:1); AAA: text → #2aa8ac (7.3:1); AAA: background → #e8e8e8 (7.04:1)

## Brands using this color

- **Gusto** — accent #00535c (Δ 1.39) — https://brandsweets.com/colors/brands/gusto-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- 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/155456-a2babe-d45990-1f272d-e9f1ee?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: "#155456" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.