# #1fe91c

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

## Values

- Hex: `#1fe91c`
- RGB: rgb(31, 233, 28)
- HSL: hsl(119, 82%, 51%)
- OKLCH: oklch(0.812 0.268 142.5)
- Relative luminance: 0.5865
- Nearest named color: Becquerel (#4bec13, Δ 1.884) — https://brandsweets.com/colors/becquerel
- Moods: vivid
- Page: https://brandsweets.com/colors/1fe91c

## Tints & shades

- Tints (toward white): #36eb33, #48ed45, #5fef5d, #76f174, #8df48b, #9ff59e, #b6f8b5, #cdfacc, #dffcdf, #f6fef6
- Shades (toward black): #18d515, #16c313, #14ac11, #11950f, #0f820d, #0c6b0b, #0a5408, #073c06, #052a04, #021302

## Harmonies

- Complementary: #e51ce9
- Analogous: #85e91c, #1ce97f
- Triadic: #1c1fe9, #e91c1f
- Split-complementary: #7f1ce9, #e91c85
- Tetradic: #1c85e9, #e51ce9, #e97f1c

## Colors that go with #1fe91c

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 #1fe91c 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 #1fe91c: 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
- **Taupe** #483c32 [pool] — Taupe is paired with #1fe91c 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 #1fe91c: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Blue** #0000ff [pool] — Two real palettes: MongoDB's brand system and Minecraft's brand system put Blue beside #1fe91c, 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 #1fe91c: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Plum** #dda0dd [harmony: split] — Plum is a split-complement of #1fe91c: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/plum
- **Red** #ff0000 [pool] — Red is paired with #1fe91c 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): 1.65:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0f870d (4.68:1); AA: background → #545454 (4.59:1); AAA: text → #0c660a (7.19:1); AAA: background → #383838 (7.11:1)
- On black (#000000): 12.73:1 — 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/1fe91c-a2bea5-964edf-1f2d25-edf1e9?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: "#1fe91c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.