# #517b73

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

## Values

- Hex: `#517b73`
- RGB: rgb(81, 123, 115)
- HSL: hsl(169, 21%, 40%)
- OKLCH: oklch(0.55 0.048 181.2)
- Relative luminance: 0.1715
- Nearest named color: Ecological (#677f70, Δ 3.144) — https://brandsweets.com/colors/ecological
- Moods: muted
- Page: https://brandsweets.com/colors/517b73

## Tints & shades

- Tints (toward white): #5d8e85, #6b9e95, #7aa8a0, #8db4ad, #9fc1ba, #b2cdc8, #c4d9d5, #d4e3e0, #e6efed, #f9fbfb
- Shades (toward black): #496f68, #42665f, #3a5954, #34504b, #2c4440, #243834, #1e2e2b, #162220, #101917, #080c0c

## Harmonies

- Complementary: #7b5158
- Analogous: #517b5e, #516e7b
- Triadic: #74517b, #7b7451
- Split-complementary: #7b516e, #7b5e51
- Tetradic: #5e517b, #7b5158, #6e7b51

## Colors that go with #517b73

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 #517b73: softer than #000 and cool enough to feel like part of the same palette. Seen in: N26 (https://brandsweets.com/colors/brands/n26-com), Gusto (https://brandsweets.com/colors/brands/gusto-com), Campus (https://brandsweets.com/palettes/friendly#campus), Asana (https://brandsweets.com/colors/brands/asana-com). — https://brandsweets.com/colors/charcoal
- **Champagne** #f7e7ce [pool] — 7 real palettes, including Forest Floor and Coffee Bar put Champagne beside #517b73, as that palette's text colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/champagne
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #517b73: 4 real palettes, including Ink & Paper and Intel's brand system, as the accent. Seen in: Ink & Paper (https://brandsweets.com/palettes/minimal#ink-and-paper), Intel (https://brandsweets.com/colors/brands/intel-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Copper** #b87333 [pool] — Designers have shipped Copper with #517b73: 7 real palettes, including Riverbed and Wellness, as the accent. Seen in: Riverbed (https://brandsweets.com/palettes/muted#riverbed), Wellness (https://brandsweets.com/palettes/warm#wellness), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #517b73 in 8 real palettes, including Redfin's brand system and Gemstone, as the lead colour. Seen in: Redfin (https://brandsweets.com/colors/brands/redfin-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #517b73: 10 real palettes, including Campus and Intel's brand system, as the lead colour. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), 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
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #517b73: 4 real palettes, including Studio Grey and Miro's brand system, as the accent. Seen in: Studio Grey (https://brandsweets.com/palettes/minimal#studio-grey), Miro (https://brandsweets.com/colors/brands/miro-com), Spline (https://brandsweets.com/colors/brands/spline-design), Notion (https://brandsweets.com/colors/brands/notion). — https://brandsweets.com/colors/dodgerblue
- **Rose Gold** #b76e79 [harmony: complementary] — Rose Gold sits directly opposite #517b73 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/rose-gold

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

- On white (#ffffff): 4.74:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #3c5d57 (7.25:1)
- On black (#000000): 4.43:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #537f76 (4.67:1); AA: background → #fafafa (4.54:1); AAA: text → #6ea097 (7.14:1)

## Curated palettes containing it

- **Riverbed** (earthy, muted, cool) — #5f7a6b, #a89f91, #b7742f, #f4f3ef, #22281f — Wet-stone green and pebble grey with a copper accent — an earth palette that leans cool, for outdoor and wellness. — tool: https://brandsweets.com/palettes/new/5f7a6b-a89f91-b7742f-f4f3ef-22281f — collection: https://brandsweets.com/palettes/earthy

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/517b73-a2bebc-d459ab-1f2a2d-e9f1ec?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: "#517b73" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.