# #509f5d

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

## Values

- Hex: `#509f5d`
- RGB: rgb(80, 159, 93)
- HSL: hsl(130, 33%, 47%)
- OKLCH: oklch(0.635 0.125 147.5)
- Relative luminance: 0.2729
- Nearest named color: Golf Course (#5a9e4b, Δ 2.024) — https://brandsweets.com/colors/golf-course
- Moods: muted
- Page: https://brandsweets.com/colors/509f5d

## Tints & shades

- Tints (toward white): #5cad6a, #6db679, #7ebe89, #8fc798, #a3d1ab, #b4d9bb, #c5e2ca, #d6eada, #e7f3e9, #f8fcf9
- Shades (toward black): #499256, #41814c, #3a7344, #33663c, #2c5834, #24472a, #1d3a22, #162c1a, #0e1b10, #070e08

## Harmonies

- Complementary: #9f5092
- Analogous: #6b9f50, #509f85
- Triadic: #5d509f, #9f5d50
- Split-complementary: #85509f, #9f506b
- Tetradic: #506b9f, #9f5092, #9f8550

## Colors that go with #509f5d

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 #509f5d: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Coastal (https://brandsweets.com/palettes/cool#coastal), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 5 real palettes, including Unity's brand system and Spotify's brand system put Blue beside #509f5d, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify), Kia (https://brandsweets.com/colors/brands/kia-com), Instacart (https://brandsweets.com/colors/brands/instacart-com). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #509f5d: 4 real palettes, including Clean Beauty and Wellness, as the accent. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Wellness (https://brandsweets.com/palettes/warm#wellness), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #509f5d in 5 real palettes, including DuckDuckGo's brand system and Diner, as the supporting colour. Seen in: DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Diner (https://brandsweets.com/palettes/vivid#diner), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #509f5d in 4 real palettes, including Undergrowth and Forest Floor, as the supporting colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #509f5d: 5 real palettes, including Peacock and Intel's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), 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
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Fintech Trust and Telehealth put Midnight Blue beside #509f5d, as the text colour against it. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/midnightblue
- **Medium Orchid** #ba55d3 [harmony: complementary] — Medium Orchid sits directly opposite #509f5d 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/mediumorchid

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

- On white (#ffffff): 3.25:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #43844e (4.52:1); AA: background → #262626 (4.65:1); AAA: text → #32623a (7.13:1)
- On black (#000000): 6.46:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #54a661 (7:1)

## Brands using this color

- **Next.js** — secondary #449d5d (Δ 1.227) — https://brandsweets.com/colors/brands/nextjs-org

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/509f5d-a2beaa-b14edf-1f2d28-ecf1e9?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: "#509f5d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.