# #1fef22

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

## Values

- Hex: `#1fef22`
- RGB: rgb(31, 239, 34)
- HSL: hsl(121, 87%, 53%)
- OKLCH: oklch(0.827 0.272 142.7)
- Relative luminance: 0.6214
- Nearest named color: Becquerel (#4bec13, Δ 1.454) — https://brandsweets.com/colors/becquerel
- Moods: vivid
- Page: https://brandsweets.com/colors/1fef22

## Tints & shades

- Tints (toward white): #37f13a, #4af24d, #62f464, #75f577, #8df78e, #a0f8a1, #b7fab9, #cbfbcb, #e2fde3, #f5fef6
- Shades (toward black): #10e513, #0ecd11, #0db50f, #0b9d0d, #0a8a0c, #08720a, #065b08, #054306, #032b04, #011302

## Harmonies

- Complementary: #ef1fec
- Analogous: #84ef1f, #1fef8b
- Triadic: #221fef, #ef221f
- Split-complementary: #8b1fef, #ef1f84
- Tetradic: #1f84ef, #ef1fec, #ef8b1f

## Colors that go with #1fef22

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 #1fef22 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 #1fef22: 3 real palettes, including Remix's brand system and Learning App, as the lead colour. Seen in: Remix (https://brandsweets.com/colors/brands/remix-run), Learning App (https://brandsweets.com/palettes/playful#learning-app), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #1fef22: 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 #1fef22: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/plum
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #1fef22: 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 #1fef22 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #1fef22 in two real palettes: MongoDB's brand system and Brilliant's brand system, as the supporting colour. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #1fef22 in two real palettes: 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). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 1.56:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0a8a0c (4.51:1); AA: background → #575757 (4.62:1); AAA: text → #076409 (7.41:1); AAA: background → #3b3b3b (7.16:1)
- On black (#000000): 13.43:1 — 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/1fef22-a2bea6-9b4edf-1f2d26-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: "#1fef22" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.