# #31d855

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

## Values

- Hex: `#31d855`
- RGB: rgb(49, 216, 85)
- HSL: hsl(133, 68%, 52%)
- OKLCH: oklch(0.774 0.218 146.2)
- Relative luminance: 0.5042
- Nearest named color: Green Priestess (#11dd55, Δ 1.47) — https://brandsweets.com/colors/green-priestess
- Moods: vivid
- Page: https://brandsweets.com/colors/31d855

## Tints & shades

- Tints (toward white): #47dc67, #58df75, #6de387, #7ee795, #94eba7, #a9efb8, #baf2c6, #d0f6d8, #e1f9e6, #f6fdf8
- Shades (toward black): #26c94a, #22b442, #1fa33c, #1b8d34, #17782c, #136324, #0f4d1c, #0b3c16, #07270e, #031106

## Harmonies

- Complementary: #d831b4
- Analogous: #61d831, #31d8a9
- Triadic: #5531d8, #d85531
- Split-complementary: #a931d8, #d83161
- Tetradic: #3161d8, #d831b4, #d8a931

## Colors that go with #31d855

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 MongoDB's brand system and Minecraft's brand system put Blue beside #31d855, 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), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Taupe** #483c32 [pool] — Taupe is paired with #31d855 in 8 real palettes, including WhatsApp's brand system and 7-Eleven's brand system, as the supporting colour. Seen in: WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-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 #31d855 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 #31d855: 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
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #31d855: 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), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #31d855 — 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 #31d855 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 #31d855: 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): 1.89:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #198531 (4.73:1); AA: background → #4a4a4a (4.68:1); AAA: text → #146726 (7.01:1); AAA: background → #2e2e2e (7.17:1)
- On black (#000000): 11.08:1 — 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/31d855-a2beab-b84edf-1f2d28-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: "#31d855" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.