# #18a528

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

## Values

- Hex: `#18a528`
- RGB: rgb(24, 165, 40)
- HSL: hsl(127, 75%, 37%)
- OKLCH: oklch(0.629 0.197 143.9)
- Relative luminance: 0.2726
- Nearest named color: Hedged Garden (#00aa11, Δ 2.057) — https://brandsweets.com/colors/hedged-garden
- Moods: vivid
- Page: https://brandsweets.com/colors/18a528

## Tints & shades

- Tints (toward white): #1bc02f, #1fdb35, #36e24a, #51e662, #70eb7e, #8bee97, #a6f2af, #c1f6c7, #dbfadf, #f6fef7
- Shades (toward black): #169825, #138621, #11781d, #0f6b1a, #0d5e17, #0b4c12, #093e0f, #07310c, #041f08, #031204

## Harmonies

- Complementary: #a51895
- Analogous: #4ea518, #18a56f
- Triadic: #2818a5, #a52818
- Split-complementary: #6f18a5, #a5184e
- Tetradic: #184ea5, #a51895, #a56f18

## Colors that go with #18a528

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 Instacart's brand system put Blue beside #18a528, as the accent. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Instacart (https://brandsweets.com/colors/brands/instacart-com), Kia (https://brandsweets.com/colors/brands/kia-com), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Dodger Blue** #1e90ff [harmony, pool: triadic] — Dodger Blue completes a triad with #18a528 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Spline (https://brandsweets.com/colors/brands/spline-design), Playground (https://brandsweets.com/palettes/bold#playground), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/dodgerblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #18a528 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), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #18a528 in 7 real palettes, including Instacart's brand system and Obsidian's brand system, as the lead colour. Seen in: Instacart (https://brandsweets.com/colors/brands/instacart-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Acer (https://brandsweets.com/colors/brands/acer-com), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/taupe
- **Medium Orchid** #ba55d3 [harmony: complementary] — Medium Orchid sits directly opposite #18a528 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 Slate Blue** #7b68ee [harmony, pool: split] — Medium Slate Blue is a split-complement of #18a528: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/mediumslateblue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #18a528: 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 #18a528: 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): 3.26:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #138621 (4.71:1); AA: background → #262626 (4.65:1); AAA: text → #0f6719 (7.06:1)
- On black (#000000): 6.45:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #19ae2a (7.13:1)

## Brands using this color

- **Prada** — accent #10a70d (Δ 1.502) — https://brandsweets.com/colors/brands/prada-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/18a528-a2bea8-aa4edf-1f2d27-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: "#18a528" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.