# #18dc39

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

## Values

- Hex: `#18dc39`
- RGB: rgb(24, 220, 57)
- HSL: hsl(130, 80%, 48%)
- OKLCH: oklch(0.778 0.245 144.2)
- Relative luminance: 0.5168
- Nearest named color: Green Priestess (#11dd55, Δ 2.046) — https://brandsweets.com/colors/green-priestess
- Moods: vivid
- Page: https://brandsweets.com/colors/18dc39

## Tints & shades

- Tints (toward white): #27e747, #3eea5b, #55ec6e, #6cef82, #83f195, #9af4a9, #b1f6bd, #c8f9d0, #dffbe4, #f6fef7
- Shades (toward black): #16ca34, #14b32e, #12a12a, #0f8a24, #0d771f, #0b651a, #094e14, #073c0f, #04250a, #021205

## Harmonies

- Complementary: #dc18bc
- Analogous: #5adc18, #18dc9b
- Triadic: #3918dc, #dc3918
- Split-complementary: #9b18dc, #dc185a
- Tetradic: #185adc, #dc18bc, #dc9b18

## Colors that go with #18dc39

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

- **Taupe** #483c32 [pool] — Taupe is paired with #18dc39 in 8 real palettes, including 7-Eleven's brand system and WhatsApp's brand system, as the lead colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #18dc39 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/violet
- **Hot Pink** #ff69b4 [harmony, pool: split] — Hot Pink is a split-complement of #18dc39: 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
- **Blue** #0000ff [pool] — 3 real palettes, including MongoDB's brand system and Minecraft's brand system put Blue beside #18dc39, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #18dc39: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #18dc39 — 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 #18dc39 in 3 real palettes, including Learning App and Playground, as the accent. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Playground (https://brandsweets.com/palettes/bold#playground), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/darkorange
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #18dc39: 3 real palettes, including Learning App and Remix's brand system, as the supporting colour. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Remix (https://brandsweets.com/colors/brands/remix-run), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 1.85:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0f8523 (4.77:1); AA: background → #4d4d4d (4.56:1); AAA: text → #0b651a (7.26:1); AAA: background → #303030 (7.12:1)
- On black (#000000): 11.34:1 — 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/18dc39-a2beaa-b14edf-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: "#18dc39" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.