# #09aa39

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

## Values

- Hex: `#09aa39`
- RGB: rgb(9, 170, 57)
- HSL: hsl(138, 90%, 35%)
- OKLCH: oklch(0.643 0.193 146.2)
- Relative luminance: 0.291
- Nearest named color: Fennel Fiasco (#00aa44, Δ 0.988) — https://brandsweets.com/colors/fennel-fiasco
- Moods: vivid
- Page: https://brandsweets.com/colors/09aa39

## Tints & shades

- Tints (toward white): #0ac743, #0ce94e, #20f35f, #3df574, #5ff78d, #7cf8a1, #99fab6, #b6fbcb, #d8fde3, #f5fef8
- Shades (toward black): #089b34, #078d2f, #077e2a, #066f26, #056121, #044e1a, #033f15, #033010, #02220b, #011307

## Harmonies

- Complementary: #aa0979
- Analogous: #29aa09, #09aa89
- Triadic: #3909aa, #aa3909
- Split-complementary: #8909aa, #aa0929
- Tetradic: #0929aa, #aa0979, #aa8909

## Colors that go with #09aa39

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

- **Blue** #0000ff [pool] — 5 real palettes, including Spotify's brand system and Unity's brand system put Blue beside #09aa39, as the accent. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Unity (https://brandsweets.com/colors/brands/unity-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #09aa39 in 4 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), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #09aa39 in 8 real palettes, including Obsidian's brand system and Meadow, as the text colour against it. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Meadow (https://brandsweets.com/palettes/light#meadow), Chime (https://brandsweets.com/colors/brands/chime-com), Instacart (https://brandsweets.com/colors/brands/instacart-com). — https://brandsweets.com/colors/taupe
- **Medium Orchid** #ba55d3 [harmony: complementary] — Medium Orchid sits directly opposite #09aa39 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
- **Medium Purple** #9370db [harmony, pool: split] — Medium Purple is a split-complement of #09aa39: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/mediumpurple
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #09aa39: 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), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #09aa39 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/cornflowerblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #09aa39: 3 real palettes, including Playground and Spline's brand system, as the supporting colour. Seen in: Playground (https://brandsweets.com/palettes/bold#playground), Spline (https://brandsweets.com/colors/brands/spline-design), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 3.08:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #07882e (4.6:1); AA: background → #2b2b2b (4.6:1); AAA: text → #056622 (7.17:1)
- On black (#000000): 6.82:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #09ae3b (7.13:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/09aa39-a2beae-be59d4-1f2d29-ebf1e9?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: "#09aa39" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.