# #515d41

A color — muted. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#515d41`
- RGB: rgb(81, 93, 65)
- HSL: hsl(86, 18%, 31%)
- OKLCH: oklch(0.46 0.046 127)
- Relative luminance: 0.0996
- Nearest named color: Muddy Olive (#4b5d46, Δ 1.045) — https://brandsweets.com/colors/muddy-olive
- Moods: muted
- Page: https://brandsweets.com/colors/515d41

## Tints & shades

- Tints (toward white): #63724f, #73845c, #85996c, #96a781, #a8b696, #b7c2a8, #c8d1bd, #dae0d2, #e9ece4, #fafbf9
- Shades (toward black): #49543b, #444e36, #3c4530, #343c2a, #2f3626, #272d1f, #1f2419, #181b13, #12150f, #0a0c08

## Harmonies

- Complementary: #4d415d
- Analogous: #5d5b41, #435d41
- Triadic: #41515d, #5d4151
- Split-complementary: #41435d, #5b415d
- Tetradic: #415d5b, #4d415d, #5d4143

## Colors that go with #515d41

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 #515d41 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
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Blush and Nursery put Blush Pink beside #515d41, as the supporting colour. Seen in: Blush (https://brandsweets.com/palettes/light#blush), Nursery (https://brandsweets.com/palettes/light#nursery), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding). — https://brandsweets.com/colors/blush-pink
- **Champagne** #f7e7ce [pool] — 6 real palettes, including BrandSweets's brand system and Darkroom put Champagne beside #515d41. Seen in: BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Darkroom (https://brandsweets.com/palettes/muted#darkroom), 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 #515d41: 6 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 #515d41 in 5 real palettes, including Gemstone and Codecademy's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Dark Goldenrod** #b8860b [pool] — 4 real palettes, including Cider and Rolex's brand system put Dark Goldenrod beside #515d41, as the supporting colour. Seen in: Cider (https://brandsweets.com/palettes/warm#cider), Rolex (https://brandsweets.com/colors/brands/rolex-com), Greige (https://brandsweets.com/palettes/neutral#greige), Puma (https://brandsweets.com/colors/brands/puma-com). — https://brandsweets.com/colors/darkgoldenrod
- **Denim** #1560bd [pool] — Designers have shipped Denim with #515d41: 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
- **Cream** #fffdd0 [role] — Cream is the surface #515d41 wants: a warm off-white that shares its undertone, so #515d41 reads softer on it than on pure white. — https://brandsweets.com/colors/cream

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

- On white (#ffffff): 7.02:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.99:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6b7b56 (4.59:1); AA: background → #cfcfcf (4.51:1); AAA: text → #8a9d72 (7.15:1); AAA: background → #ffffff (7.02:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/515d41-afbea2-4e56df-212d1f-f1f1e9?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: "#515d41" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.