# #12fd41

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

## Values

- Hex: `#12fd41`
- RGB: rgb(18, 253, 65)
- HSL: hsl(132, 98%, 53%)
- OKLCH: oklch(0.864 0.275 144.3)
- Relative luminance: 0.7076
- Nearest named color: Cathode Green (#00ff55, Δ 1.282) — https://brandsweets.com/colors/cathode-green
- Moods: vivid
- Page: https://brandsweets.com/colors/12fd41

## Tints & shades

- Tints (toward white): #2bfd55, #3ffd65, #58fd79, #6dfe8a, #86fe9e, #9afeae, #b3fec2, #c7fed2, #e1ffe7, #f5fff7
- Shades (toward black): #02f232, #02d92d, #02c028, #02a723, #01921e, #017919, #016014, #01470f, #002d09, #001404

## Harmonies

- Complementary: #fd12ce
- Analogous: #58fd12, #12fdb6
- Triadic: #4112fd, #fd4112
- Split-complementary: #b612fd, #fd1258
- Tetradic: #1258fd, #fd12ce, #fdb612

## Colors that go with #12fd41

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 #12fd41 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
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #12fd41: 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 #12fd41: 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 #12fd41: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #12fd41: two real palettes: 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). — https://brandsweets.com/colors/deepskyblue
- **Red** #ff0000 [pool] — Red is paired with #12fd41 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
- **Yellow Green** #9acd32 [harmony, pool: analogous] — Yellow Green is #12fd41'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
- **Salmon** #fa8072 [harmony: triadic] — Salmon completes a triad with #12fd41 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/salmon

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

- On white (#ffffff): 1.39:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #01881c (4.63:1); AA: background → #5e5e5e (4.68:1); AAA: text → #016515 (7.31:1); AAA: background → #424242 (7.25:1)
- On black (#000000): 15.15:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Laser** (neon, vivid, dark, technical) — #39ff14, #bf00ff, #00e5ff, #07070d, #eefaf0 — Laser green, violet and cyan — the synthwave/gaming set; keep the type near-white and let one neon own each screen. — tool: https://brandsweets.com/palettes/new/39ff14-bf00ff-00e5ff-07070d-eefaf0 — collection: https://brandsweets.com/palettes/neon

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/12fd41-a2beab-b64edf-1f2d28-ecf1e9?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: "#12fd41" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.