# #515729

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

## Values

- Hex: `#515729`
- RGB: rgb(81, 87, 41)
- HSL: hsl(68, 36%, 25%)
- OKLCH: oklch(0.44 0.068 115.4)
- Relative luminance: 0.0873
- Nearest named color: Heavy Green (#49583e, Δ 2.777) — https://brandsweets.com/colors/heavy-green
- Moods: dark, luxury, bold
- Page: https://brandsweets.com/colors/515729

## Tints & shades

- Tints (toward white): #676f34, #818b41, #97a34d, #a9b45f, #b8c17b, #c5cc93, #d2d8ac, #dfe3c4, #eef0e0, #fbfcf8
- Shades (toward black): #4a5026, #444922, #3d421f, #373b1c, #303418, #272a14, #202310, #1a1c0d, #13150a, #0d0e07

## Harmonies

- Complementary: #2f2957
- Analogous: #574629, #3a5729
- Triadic: #295157, #572951
- Split-complementary: #293a57, #462957
- Tetradic: #295746, #2f2957, #57293a

## Colors that go with #515729

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 body-text near-black for #515729: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. 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: split] — Royal Blue is a split-complement of #515729: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Subaru (https://brandsweets.com/colors/brands/subaru-com), GitHub (https://brandsweets.com/colors/brands/github), Stripe (https://brandsweets.com/colors/brands/stripe). — https://brandsweets.com/colors/royalblue
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #515729 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 [pool] — Rust shows up next to #515729 in 4 real palettes, including Trailhead and Magazine Ochre, as the lead colour. Seen in: Trailhead (https://brandsweets.com/palettes/warm#trailhead), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Harvest (https://brandsweets.com/palettes/warm#harvest), Aesop (https://brandsweets.com/colors/brands/aesop-com). — https://brandsweets.com/colors/rust
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #515729: 7 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), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/sage-green
- **Slate Blue** #6a5acd [harmony: complementary] — Slate Blue sits directly opposite #515729 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/slateblue
- **Blue** #0000ff [pool] — 3 real palettes, including Warp's brand system and Rolex's brand system put Blue beside #515729, as the supporting colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Rolex (https://brandsweets.com/colors/brands/rolex-com), Jeep (https://brandsweets.com/colors/brands/jeep-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 3 real palettes, including Nursery and Blush put Blush Pink beside #515729, as the lead colour. Seen in: Nursery (https://brandsweets.com/palettes/light#nursery), Blush (https://brandsweets.com/palettes/light#blush), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding). — https://brandsweets.com/colors/blush-pink

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

- On white (#ffffff): 7.65:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.75:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #747d3b (4.74:1); AA: background → #c7c7c7 (4.53:1); AAA: text → #919c49 (7.06:1); AAA: background → #f5f5f5 (7.02:1)

## 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/515729-b7bea2-4e81df-252d1f-f1eee9?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: "#515729" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.