# #005b37

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

## Values

- Hex: `#005b37`
- RGB: rgb(0, 91, 55)
- HSL: hsl(156, 100%, 18%)
- OKLCH: oklch(0.415 0.097 158.3)
- Relative luminance: 0.0776
- Nearest named color: Ficus Elastica (#006131, Δ 2.404) — https://brandsweets.com/colors/ficus-elastica
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/005b37

## Tints & shades

- Tints (toward white): #008550, #00ad68, #00d681, #00ff99, #29ffa9, #52ffba, #7affca, #a3ffda, #ccffeb, #f5fffb
- Shades (toward black): #005734, #004d2e, #00472b, #003d25, #003822, #00331f, #002918, #002415, #00190f, #00140c

## Harmonies

- Complementary: #5c0025
- Analogous: #005c09, #00535c
- Triadic: #37005c, #5c3700
- Split-complementary: #5c0053, #5c0900
- Tetradic: #09005c, #5c0025, #535c00

## Colors that go with #005b37

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 #005b37: softer than #000 and cool enough to feel like part of the same palette. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Pampers (https://brandsweets.com/colors/brands/pampers-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #005b37 — 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 #005b37, 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 #005b37: 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
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #005b37 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 #005b37 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 #005b37 — 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
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #005b37: 4 real palettes, including Pine & Birch and Darkroom, as the supporting colour. Seen in: Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Stone (https://brandsweets.com/palettes/neutral#stone), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding). — https://brandsweets.com/colors/sage-green

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

- On white (#ffffff): 8.23:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.55:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #008a53 (4.76:1); AA: background → #c2c2c2 (4.62:1); AAA: text → #00ad68 (7.18:1); AAA: background → #ededed (7.03:1)

## Brands using this color

- **Rolex** — primary #006039 (Δ 1.627) — https://brandsweets.com/colors/brands/rolex-com

## 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/005b37-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: "#005b37" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.