# #31fc71

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

## Values

- Hex: `#31fc71`
- RGB: rgb(49, 252, 113)
- HSL: hsl(139, 97%, 59%)
- OKLCH: oklch(0.869 0.238 148.2)
- Relative luminance: 0.7147
- Nearest named color: springgreen (#00ff7f, Δ 1.351) — https://brandsweets.com/colors/springgreen
- Moods: vivid
- Page: https://brandsweets.com/colors/31fc71

## Tints & shades

- Tints (toward white): #45fc7f, #59fc8d, #6dfd9b, #81fda9, #96fdb6, #a5fec1, #b9fecf, #cdfedc, #e1ffea, #f5fff8
- Shades (toward black): #18fb60, #04f14f, #03d847, #03ba3d, #02a135, #02832b, #026923, #014b19, #013210, #001407

## Harmonies

- Complementary: #fc31bc
- Analogous: #56fc31, #31fcd7
- Triadic: #7131fc, #fc7131
- Split-complementary: #d731fc, #fc3156
- Tetradic: #3156fc, #fc31bc, #fcd731

## Colors that go with #31fc71

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

- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #31fc71 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
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #31fc71: 3 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), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #31fc71: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Plum** #dda0dd [harmony: split] — Plum is a split-complement of #31fc71: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/plum
- **Blue** #0000ff [pool] — Two real palettes: MongoDB's brand system and Robinhood's brand system put Blue beside #31fc71, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Robinhood (https://brandsweets.com/colors/brands/robinhood-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #31fc71: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Red** #ff0000 [pool] — Red is paired with #31fc71 in two real palettes: Gatorade's brand system and Wise's brand system, as the supporting colour. Seen in: Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/red
- **Taupe** #483c32 [pool] — Taupe is paired with #31fc71 in two real palettes: 7-Eleven's brand system and Astro's brand system, as the lead colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 1.37:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #02882c (4.6:1); AA: background → #616161 (4.51:1); AAA: text → #026421 (7.38:1); AAA: background → #424242 (7.32:1)
- On black (#000000): 15.29:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Form Builder with AI Automation** — accent #00ff84 (Δ 1.788) — https://brandsweets.com/colors/brands/typeform-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/31fc71-a2beae-c059d4-1f2d2a-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: "#31fc71" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.