# #18aa33

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

## Values

- Hex: `#18aa33`
- RGB: rgb(24, 170, 51)
- HSL: hsl(131, 75%, 38%)
- OKLCH: oklch(0.644 0.196 144.9)
- Relative luminance: 0.2918
- Nearest named color: Fennel Fiasco (#00aa44, Δ 1.44) — https://brandsweets.com/colors/fennel-fiasco
- Moods: vivid
- Page: https://brandsweets.com/colors/18aa33

## Tints & shades

- Tints (toward white): #1cc43b, #20df43, #3be35a, #55e770, #70eb87, #8bee9d, #a6f2b4, #c1f6ca, #dbfae1, #f6fef7
- Shades (toward black): #169c2f, #148a2a, #127d25, #0f6b20, #0d5e1c, #0b5018, #093e13, #07310f, #041f09, #031205

## Harmonies

- Complementary: #aa188f
- Analogous: #46aa18, #18aa7c
- Triadic: #3318aa, #aa3318
- Split-complementary: #7c18aa, #aa1846
- Tetradic: #1846aa, #aa188f, #aa7c18

## Colors that go with #18aa33

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 #18aa33, as the accent. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Unity (https://brandsweets.com/colors/brands/unity-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Instacart (https://brandsweets.com/colors/brands/instacart-com). — https://brandsweets.com/colors/blue
- **Dodger Blue** #1e90ff [harmony, pool: triadic] — Dodger Blue completes a triad with #18aa33 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #18aa33 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 #18aa33 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), Acer (https://brandsweets.com/colors/brands/acer-com), Chime (https://brandsweets.com/colors/brands/chime-com). — https://brandsweets.com/colors/taupe
- **Medium Orchid** #ba55d3 [harmony: complementary] — Medium Orchid sits directly opposite #18aa33 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 #18aa33: 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 #18aa33: 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
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #18aa33: 3 real palettes, including Olympics's brand system and Fintech Trust, as the lead colour. Seen in: Olympics (https://brandsweets.com/colors/brands/olympics-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com). — https://brandsweets.com/colors/steelblue

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

- On white (#ffffff): 3.07:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #138628 (4.7:1); AA: background → #2b2b2b (4.61:1); AAA: text → #0f671f (7.05:1)
- On black (#000000): 6.84:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #19ae34 (7.15:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/18aa33-a2beaa-b34edf-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: "#18aa33" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.