# #515b3e

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

## Values

- Hex: `#515b3e`
- RGB: rgb(81, 91, 62)
- HSL: hsl(81, 19%, 30%)
- OKLCH: oklch(0.454 0.047 123.7)
- Relative luminance: 0.0958
- Nearest named color: Muddy Olive (#4b5d46, Δ 1.265) — https://brandsweets.com/colors/muddy-olive
- Moods: muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/515b3e

## Tints & shades

- Tints (toward white): #64704c, #77865b, #879867, #98a67d, #a8b592, #b9c3a7, #cad2bc, #d9dece, #e9ece4, #fafbf9
- Shades (toward black): #495238, #434c34, #3b432d, #363d29, #2e3423, #262a1d, #202419, #181b13, #13150e, #0b0c08

## Harmonies

- Complementary: #483e5b
- Analogous: #5b573e, #425b3e
- Triadic: #3e515b, #5b3e51
- Split-complementary: #3e425b, #573e5b
- Tetradic: #3e5b57, #483e5b, #5b3e42

## Colors that go with #515b3e

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

- **Slate Blue** #6a5acd [harmony, pool: complementary] — Slate Blue sits directly opposite #515b3e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas). — https://brandsweets.com/colors/slateblue
- **Champagne** #f7e7ce [pool] — 6 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #515b3e, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #515b3e: 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), Bakery (https://brandsweets.com/palettes/warm#bakery). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #515b3e in 5 real palettes, including Codecademy's brand system and Gemstone, as the accent. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), MAC Cosmetics (https://brandsweets.com/colors/brands/maccosmetics-com), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com). — https://brandsweets.com/colors/crimson
- **Dark Goldenrod** #b8860b [pool] — 4 real palettes, including Cider and Rolex's brand system put Dark Goldenrod beside #515b3e, as the supporting colour. Seen in: Cider (https://brandsweets.com/palettes/warm#cider), Rolex (https://brandsweets.com/colors/brands/rolex-com), Puma (https://brandsweets.com/colors/brands/puma-com), Greige (https://brandsweets.com/palettes/neutral#greige). — https://brandsweets.com/colors/darkgoldenrod
- **Denim** #1560bd [pool] — Designers have shipped Denim with #515b3e: 7 real palettes, including HP's brand system and Intel's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/denim
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #515b3e in 4 real palettes, including Undergrowth and Console Light, as the lead colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Console Light (https://brandsweets.com/palettes/technical#console-light), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas). — https://brandsweets.com/colors/mediumseagreen
- **Cream** #fffdd0 [role] — Cream is the surface #515b3e wants: a warm off-white that shares its undertone, so #515b3e reads softer on it than on pure white. — https://brandsweets.com/colors/cream

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

- On white (#ffffff): 7.2:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.92:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6f7c55 (4.69:1); AA: background → #cfcfcf (4.62:1); AAA: text → #8c9c6d (7.09:1); AAA: background → #fcfcfc (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/515b3e-b1bea2-4e62df-222d1f-f1f0e9?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: "#515b3e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.