# #09fb19

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

## Values

- Hex: `#09fb19`
- RGB: rgb(9, 251, 25)
- HSL: hsl(124, 97%, 51%)
- OKLCH: oklch(0.857 0.287 142.8)
- Relative luminance: 0.6912
- Nearest named color: Acid (#00ff22, Δ 1.053) — https://brandsweets.com/colors/acid
- Moods: vivid
- Page: https://brandsweets.com/colors/09fb19

## Tints & shades

- Tints (toward white): #22fc30, #36fc43, #4ffc5b, #68fd72, #81fd8a, #96fd9c, #affeb4, #c8fecb, #dcfede, #f5fff6
- Shades (toward black): #04e713, #03d311, #03ba0f, #02a10d, #028d0b, #027409, #015a07, #014105, #012d04, #001402

## Harmonies

- Complementary: #fb09eb
- Analogous: #72fb09, #09fb92
- Triadic: #1909fb, #fb1909
- Split-complementary: #9209fb, #fb0972
- Tetradic: #0972fb, #fb09eb, #fb9209

## Colors that go with #09fb19

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 #09fb19 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 #09fb19: 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 #09fb19: 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 #09fb19: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Salmon** #fa8072 [harmony: triadic] — Salmon completes a triad with #09fb19 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/salmon
- **Cornflower Blue** #6495ed [harmony: triadic] — Cornflower Blue completes a triad with #09fb19 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/cornflowerblue
- **Medium Aquamarine** #66cdaa [harmony: analogous] — Medium Aquamarine is #09fb19'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 #09fb19, 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): 1.42:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #02880b (4.64:1); AA: background → #5e5e5e (4.58:1); AAA: text → #026408 (7.42:1); AAA: background → #424242 (7.09:1)
- On black (#000000): 14.82:1 — 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/09fb19-a2bea7-a24edf-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: "#09fb19" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.