# #57dc09

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

## Values

- Hex: `#57dc09`
- RGB: rgb(87, 220, 9)
- HSL: hsl(98, 92%, 45%)
- OKLCH: oklch(0.789 0.245 138.6)
- Relative luminance: 0.5323
- Nearest named color: Alarming Slime (#2ce335, Δ 2.323) — https://brandsweets.com/colors/alarming-slime
- Moods: vivid
- Page: https://brandsweets.com/colors/57dc09

## Tints & shades

- Tints (toward white): #60f50a, #73f628, #83f740, #93f859, #a6f976, #b6fa8e, #c6fba7, #d6fcbf, #e9fedd, #f9fff5
- Shades (toward black): #4fc908, #47b508, #40a207, #388e06, #307a05, #266204, #1f4e03, #173b02, #0f2702, #081401

## Harmonies

- Complementary: #8f09dc
- Analogous: #c0dc09, #09dc25
- Triadic: #0957dc, #dc0957
- Split-complementary: #2509dc, #dc09c0
- Tetradic: #09c0dc, #8f09dc, #dc2509

## Colors that go with #57dc09

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

- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #57dc09 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. 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
- **Taupe** #483c32 [pool] — Taupe is paired with #57dc09 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), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Acer (https://brandsweets.com/colors/brands/acer-com). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #57dc09 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 #57dc09: 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
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #57dc09 in 3 real palettes, including Learning App and Citrus Grove, as the accent. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Playground (https://brandsweets.com/palettes/bold#playground). — https://brandsweets.com/colors/darkorange
- **Light Coral** #f08080 [harmony, pool: triadic] — Light Coral completes a triad with #57dc09 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/lightcoral
- **Blue** #0000ff [pool] — Two real palettes: MongoDB's brand system and Minecraft's brand system put Blue beside #57dc09, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #57dc09: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 1.8:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #348406 (4.72:1); AA: background → #4f4f4f (4.54:1); AAA: text → #266204 (7.42:1); AAA: background → #333333 (7.01:1)
- On black (#000000): 11.65:1 — 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/57dc09-a9bea2-644edf-1f2d20-f0f1e9?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: "#57dc09" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.