# #12f901

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

## Values

- Hex: `#12f901`
- RGB: rgb(18, 249, 1)
- HSL: hsl(116, 99%, 49%)
- OKLCH: oklch(0.852 0.288 142.3)
- Relative luminance: 0.6788
- Nearest named color: Acid (#00ff22, Δ 1.59) — https://brandsweets.com/colors/acid
- Moods: vivid
- Page: https://brandsweets.com/colors/12f901

## Tints & shades

- Tints (toward white): #25fe16, #3dfe2f, #54fe48, #6cfe62, #84fe7b, #97fe8f, #aeffa9, #c6ffc2, #deffdb, #f6fff5
- Shades (toward black): #10e401, #0ecb01, #0db701, #0b9d01, #0a8901, #087001, #075b00, #054200, #032e00, #011400

## Harmonies

- Complementary: #e801f9
- Analogous: #8df901, #01f96c
- Triadic: #0112f9, #f90112
- Split-complementary: #6c01f9, #f9018d
- Tetradic: #018df9, #e801f9, #f96c01

## Colors that go with #12f901

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 #12f901 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 [harmony, pool: triadic] — Deep Sky Blue completes a triad with #12f901 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Remix (https://brandsweets.com/colors/brands/remix-run). — https://brandsweets.com/colors/deepskyblue
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #12f901: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #12f901: 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 #12f901: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/plum
- **Light Coral** #f08080 [harmony: triadic] — Light Coral completes a triad with #12f901 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/lightcoral
- **Medium Aquamarine** #66cdaa [harmony: analogous] — Medium Aquamarine is #12f901's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. — https://brandsweets.com/colors/mediumaquamarine
- **Blue** #0000ff [pool] — MongoDB's brand system puts Blue beside #12f901, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 1.44:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0a8901 (4.57:1); AA: background → #5e5e5e (4.5:1); AAA: text → #076501 (7.31:1); AAA: background → #404040 (7.2:1)
- On black (#000000): 14.58:1 — 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/12f901-a2bea3-8f4edf-1f2d24-eef1e9?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: "#12f901" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.