# #538a19

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

## Values

- Hex: `#538a19`
- RGB: rgb(83, 138, 25)
- HSL: hsl(89, 69%, 32%)
- OKLCH: oklch(0.573 0.151 132.9)
- Relative luminance: 0.2009
- Nearest named color: Avocado (#568203, Δ 2.247) — https://brandsweets.com/colors/avocado
- Moods: vivid
- Page: https://brandsweets.com/colors/538a19

## Tints & shades

- Tints (toward white): #66a81f, #75c224, #87d930, #96de4a, #a8e368, #b9e986, #c8eea0, #daf3be, #e9f8d8, #fafdf6
- Shades (toward black): #4c7d17, #447015, #3f6713, #375a11, #2f4e0e, #27410c, #1f3409, #1a2b08, #121e06, #0a1103

## Harmonies

- Complementary: #50198a
- Analogous: #8a8819, #1b8a19
- Triadic: #19538a, #8a1953
- Split-complementary: #191b8a, #88198a
- Tetradic: #198a88, #50198a, #8a191b

## Colors that go with #538a19

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

- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #538a19 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix), Coinbase (https://brandsweets.com/colors/brands/coinbase), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com). — https://brandsweets.com/colors/crimson
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #538a19 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com), Xbox (https://brandsweets.com/colors/brands/xbox-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/royalblue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #538a19: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [pool] — Designers have shipped Copper with #538a19: 4 real palettes, including Wellness and Clean Beauty, as the supporting colour. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Denim** #1560bd [pool] — Designers have shipped Denim with #538a19: 5 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour. Seen in: 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), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/denim
- **Taupe** #483c32 [pool] — Taupe is paired with #538a19 in 11 real palettes, including Acer's brand system and Instacart's brand system, as that palette's text colour. Seen in: Acer (https://brandsweets.com/colors/brands/acer-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Subaru (https://brandsweets.com/colors/brands/subaru-com), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/taupe
- **Dark Orchid** #9932cc [harmony: complementary] — Dark Orchid sits directly opposite #538a19 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/darkorchid
- **Medium Violet Red** #c71585 [harmony, pool: split] — Medium Violet Red is a split-complement of #538a19: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Bun (https://brandsweets.com/colors/brands/bun-sh). — https://brandsweets.com/colors/mediumvioletred

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

- On white (#ffffff): 4.19:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #4e8118 (4.69:1); AA: background → #0f0f0f (4.58:1); AAA: text → #3c6312 (7.03:1)
- On black (#000000): 5.02:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #66a81f (7.19:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/538a19-adbea2-4e4edf-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: "#538a19" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.