# #899a18

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

## Values

- Hex: `#899a18`
- RGB: rgb(137, 154, 24)
- HSL: hsl(68, 73%, 35%)
- OKLCH: oklch(0.651 0.144 117.5)
- Relative luminance: 0.285
- Nearest named color: Densetsu Green (#889911, Δ 0.384) — https://brandsweets.com/colors/densetsu-green
- Moods: vivid
- Page: https://brandsweets.com/colors/899a18

## Tints & shades

- Tints (toward white): #a1b51c, #bcd421, #c8df34, #d0e34f, #d8e86d, #dfec88, #e6f1a2, #edf5bd, #f6f9dc, #fdfef6
- Shades (toward black): #7d8d16, #728014, #667312, #5a6510, #4e580e, #3f470b, #333909, #272c07, #1b1f05, #101203

## Harmonies

- Complementary: #29189a
- Analogous: #9a6b18, #489a18
- Triadic: #18899a, #9a1889
- Split-complementary: #18489a, #6b189a
- Tetradic: #189a6b, #29189a, #9a1848

## Colors that go with #899a18

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

- **Medium Purple** #9370db [harmony, pool: complementary] — Medium Purple sits directly opposite #899a18 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/mediumpurple
- **Blue** #0000ff [pool] — 5 real palettes, including Rolex's brand system and Spotify's brand system put Blue beside #899a18, as the accent. Seen in: Rolex (https://brandsweets.com/colors/brands/rolex-com), Spotify (https://brandsweets.com/colors/brands/spotify), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Lexus (https://brandsweets.com/colors/brands/lexus-com). — https://brandsweets.com/colors/blue
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #899a18 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), Cider (https://brandsweets.com/palettes/warm#cider), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/darkolivegreen
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #899a18 in 5 real palettes, including Console Light and Telehealth, as the lead colour. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Guinness (https://brandsweets.com/colors/brands/guinness-com), Chevrolet (https://brandsweets.com/colors/brands/chevrolet-com). — https://brandsweets.com/colors/royalblue
- **Slate Gray** #708090 [pool] — 4 real palettes, including Greige and Ledger Dark put Slate Gray beside #899a18, as the lead colour. Seen in: Greige (https://brandsweets.com/palettes/neutral#greige), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Atelier (https://brandsweets.com/palettes/elegant#atelier), Mushroom (https://brandsweets.com/palettes/neutral#mushroom). — https://brandsweets.com/colors/slategray
- **Taupe** #483c32 [pool] — Taupe is paired with #899a18 in 15 real palettes, including Undergrowth and Acer's brand system, as the surface under it. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Acer (https://brandsweets.com/colors/brands/acer-com), Cider (https://brandsweets.com/palettes/warm#cider), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/taupe
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #899a18: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/cornflowerblue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #899a18: 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), Puma (https://brandsweets.com/colors/brands/puma-com). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 3.13:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #6e7c13 (4.61:1); AA: background → #2b2b2b (4.52:1); AAA: text → #525d0e (7.17:1)
- On black (#000000): 6.7:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #8d9f19 (7.11:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/899a18-b7bea2-4e81df-252d1f-f1eee9?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: "#899a18" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.