# #12f866

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

## Values

- Hex: `#12f866`
- RGB: rgb(18, 248, 102)
- HSL: hsl(142, 94%, 52%)
- OKLCH: oklch(0.855 0.246 147.8)
- Relative luminance: 0.6822
- Nearest named color: Cathode Green (#00ff55, Δ 2.671) — https://brandsweets.com/colors/cathode-green
- Moods: vivid
- Page: https://brandsweets.com/colors/12f866

## Tints & shades

- Tints (toward white): #2af876, #3ef983, #57fa93, #6bfa9f, #83fbaf, #9cfcbf, #b0fdcc, #c9fddc, #dcfee9, #f5fff9
- Shades (toward black): #07e95a, #06d050, #06bc49, #05a33f, #048b36, #04722c, #035922, #02451b, #012d11, #011408

## Harmonies

- Complementary: #f812a3
- Analogous: #30f812, #12f8d9
- Triadic: #6612f8, #f86612
- Split-complementary: #d912f8, #f81230
- Tetradic: #1230f8, #f812a3, #f8d912

## Colors that go with #12f866

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 #12f866 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 #12f866: 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
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #12f866: 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 #12f866: 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 #12f866: 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 #12f866 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 #12f866 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
- **Yellow Green** #9acd32 [harmony, pool: analogous] — Yellow Green is #12f866's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Monster Energy (https://brandsweets.com/colors/brands/monsterenergy-com). — https://brandsweets.com/colors/yellowgreen

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

- On white (#ffffff): 1.43:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #048634 (4.7:1); AA: background → #5e5e5e (4.52:1); AAA: text → #036326 (7.46:1); AAA: background → #424242 (7.01:1)
- On black (#000000): 14.64:1 — 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/12f866-a2beaf-c659d4-1f2d2a-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: "#12f866" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.