# #31dd7c

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

## Values

- Hex: `#31dd7c`
- RGB: rgb(49, 221, 124)
- HSL: hsl(146, 72%, 53%)
- OKLCH: oklch(0.792 0.192 152.7)
- Relative luminance: 0.5382
- Nearest named color: Envy’s Love (#2dd78d, Δ 3.083) — https://brandsweets.com/colors/envys-love
- Moods: vivid
- Page: https://brandsweets.com/colors/31dd7c

## Tints & shades

- Tints (toward white): #47e18a, #58e495, #6ee7a3, #80eaae, #96eebc, #a7f1c7, #bdf4d5, #cff7e0, #e5fbee, #f6fef9
- Shades (toward black): #22d36f, #1fbd63, #1ba758, #18914c, #157f43, #116937, #0e532c, #0a3d20, #062715, #031209

## Harmonies

- Complementary: #dd3193
- Analogous: #3cdd31, #31ddd2
- Triadic: #7c31dd, #dd7c31
- Split-complementary: #d231dd, #dd313c
- Tetradic: #313cdd, #dd3193, #ddd231

## Colors that go with #31dd7c

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 #31dd7c, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #31dd7c: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #31dd7c: 4 real palettes, including Remix's brand system and Prime Video's brand system, as the lead colour. Seen in: Remix (https://brandsweets.com/colors/brands/remix-run), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Learning App (https://brandsweets.com/palettes/playful#learning-app), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #31dd7c in 4 real palettes, including Docker's brand system and Brilliant's brand system, as the supporting colour. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #31dd7c in 9 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), Chime (https://brandsweets.com/colors/brands/chime-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #31dd7c 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
- **Light Coral** #f08080 [harmony, pool: split] — Light Coral is a split-complement of #31dd7c: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/lightcoral
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #31dd7c — 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

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

- On white (#ffffff): 1.79:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #168847 (4.52:1); AA: background → #4f4f4f (4.59:1); AAA: text → #106535 (7.16:1); AAA: background → #333333 (7.08:1)
- On black (#000000): 11.76:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **CircleCI** — secondary #00db75 (Δ 1.475) — https://brandsweets.com/colors/brands/circleci-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/31dd7c-a2beb1-ce59d4-1f2d2b-eaf1e9?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: "#31dd7c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.