# #155b3a

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

## Values

- Hex: `#155b3a`
- RGB: rgb(21, 91, 58)
- HSL: hsl(152, 63%, 22%)
- OKLCH: oklch(0.42 0.088 158)
- Relative luminance: 0.0795
- Nearest named color: Evergreen (#125b49, Δ 2.352) — https://brandsweets.com/colors/evergreen
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/155b3a

## Tints & shades

- Tints (toward white): #1c7d50, #239a62, #2abb78, #37d28a, #59d99d, #7ae1b1, #97e7c2, #b8efd5, #d5f6e7, #f7fdfa
- Shades (toward black): #135335, #114b30, #10472d, #0e3e28, #0c3623, #0a2e1d, #082518, #082115, #061910, #04110b

## Harmonies

- Complementary: #5b1536
- Analogous: #155b17, #15595b
- Triadic: #3a155b, #5b3a15
- Split-complementary: #5b1559, #5b1715
- Tetradic: #17155b, #5b1536, #595b15

## Colors that go with #155b3a

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

- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #155b3a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. 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
- **Blue** #0000ff [pool] — 4 real palettes, including Rolex's brand system and Warp's brand system put Blue beside #155b3a, 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), Instacart (https://brandsweets.com/colors/brands/instacart-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #155b3a: 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). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #155b3a: 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 #155b3a 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 #155b3a in 4 real palettes, including Neon's brand system and Clerk's brand system, as the accent. Seen in: Neon (https://brandsweets.com/colors/brands/neon-tech), Clerk (https://brandsweets.com/colors/brands/clerk-com), HubSpot (https://brandsweets.com/colors/brands/hubspot-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com). — https://brandsweets.com/colors/orangered
- **Rust** #b7410e [harmony, pool: triadic] — Rust completes a triad with #155b3a — 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), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), IHG (https://brandsweets.com/colors/brands/ihg-com). — https://brandsweets.com/colors/rust
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #155b3a: 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): 8.11:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.59:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1e8555 (4.54:1); AA: background → #c2c2c2 (4.55:1); AAA: text → #27aa6d (7.06:1); AAA: background → #f0f0f0 (7.12:1)

## Brands using this color

- **Rolex** — primary #006039 (Δ 1.774) — https://brandsweets.com/colors/brands/rolex-com

## Curated palettes containing it

- **Pine & Birch** (forest, clean, minimal, cool) — #1f5f3f, #a3b18a, #dad7cd, #fdfcf9, #2b3a2f — One deep pine on birch-white with sage and bark greys — Scandinavian forest: mostly light, one committed green. — tool: https://brandsweets.com/palettes/new/1f5f3f-a3b18a-dad7cd-fdfcf9-2b3a2f — collection: https://brandsweets.com/palettes/forest

## 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/155b3a-a2beb4-d459ce-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: "#155b3a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.