# #18c340

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

## Values

- Hex: `#18c340`
- RGB: rgb(24, 195, 64)
- HSL: hsl(134, 78%, 43%)
- OKLCH: oklch(0.713 0.215 145.5)
- Relative luminance: 0.3959
- Nearest named color: Crude Banana (#21c40e, Δ 2.559) — https://brandsweets.com/colors/crude-banana
- Moods: vivid
- Page: https://brandsweets.com/colors/18c340

## Tints & shades

- Tints (toward white): #1bde49, #2ee559, #49e96f, #60eb81, #7bef96, #92f2a8, #adf5be, #c4f8d0, #dffbe6, #f6fef8
- Shades (toward black): #16b13a, #149f34, #118d2e, #0f7b28, #0d6d24, #0b5b1e, #094918, #073612, #04240c, #021206

## Harmonies

- Complementary: #c3189b
- Analogous: #46c318, #18c396
- Triadic: #4018c3, #c34018
- Split-complementary: #9618c3, #c31846
- Tetradic: #1846c3, #c3189b, #c39618

## Colors that go with #18c340

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] — 4 real palettes, including Spotify's brand system and Minecraft's brand system put Blue beside #18c340, as the accent. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Unity (https://brandsweets.com/colors/brands/unity-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #18c340: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #18c340 in 6 real palettes, including Brilliant's brand system and Console Light, as the accent. Seen in: Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #18c340 in 9 real palettes, including Obsidian's brand system and WhatsApp's brand system, as the text colour against it. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/taupe
- **Hot Pink** #ff69b4 [harmony, pool: split] — Hot Pink is a split-complement of #18c340: 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). — https://brandsweets.com/colors/hotpink
- **Fuchsia** #ff00ff [harmony: complementary] — Fuchsia sits directly opposite #18c340 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/fuchsia
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #18c340 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/cornflowerblue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #18c340 in 3 real palettes, including Playground and Learning App, as the lead colour. Seen in: Playground (https://brandsweets.com/palettes/bold#playground), Learning App (https://brandsweets.com/palettes/playful#learning-app), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/darkorange

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

- On white (#ffffff): 2.35:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #11882d (4.58:1); AA: background → #3d3d3d (4.61:1); AAA: text → #0c6421 (7.34:1); AAA: background → #1f1f1f (7:1)
- On black (#000000): 8.92:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/18c340-a2beac-b559d4-1f2d29-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: "#18c340" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.