# #1fef56

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

## Values

- Hex: `#1fef56`
- RGB: rgb(31, 239, 86)
- HSL: hsl(136, 87%, 53%)
- OKLCH: oklch(0.831 0.247 146.1)
- Relative luminance: 0.627
- Nearest named color: Becquerel (#4bec13, Δ 3.136) — https://brandsweets.com/colors/becquerel
- Moods: vivid
- Page: https://brandsweets.com/colors/1fef56

## Tints & shades

- Tints (toward white): #37f168, #4af277, #62f489, #75f597, #8df7a9, #a0f8b7, #b7fac9, #cbfbd8, #e2fde9, #f5fef8
- Shades (toward black): #10e549, #0ecd41, #0db53a, #0b9d32, #0a8a2c, #087224, #065b1d, #054315, #032b0e, #011306

## Harmonies

- Complementary: #ef1fb8
- Analogous: #50ef1f, #1fefbf
- Triadic: #561fef, #ef561f
- Split-complementary: #bf1fef, #ef1f50
- Tetradic: #1f50ef, #ef1fb8, #efbf1f

## Colors that go with #1fef56

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 #1fef56 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 #1fef56: 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), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #1fef56 in 3 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). — https://brandsweets.com/colors/taupe
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #1fef56: 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 #1fef56: 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 Minecraft's brand system put Blue beside #1fef56, 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 #1fef56: 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 #1fef56 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

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

- On white (#ffffff): 1.55:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #09862a (4.71:1); AA: background → #595959 (4.52:1); AAA: text → #076420 (7.36:1); AAA: background → #3d3d3d (7:1)
- On black (#000000): 13.54:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **MongoDB** — primary #00ed64 (Δ 1.468) — https://brandsweets.com/colors/brands/mongodb-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/1fef56-a2bead-b959d4-1f2d29-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: "#1fef56" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.