# #05ff09

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

## Values

- Hex: `#05ff09`
- RGB: rgb(5, 255, 9)
- HSL: hsl(121, 100%, 51%)
- OKLCH: oklch(0.867 0.294 142.6)
- Relative luminance: 0.7157
- Nearest named color: EGA Green (#01ff07, Δ 0.044) — https://brandsweets.com/colors/ega-green
- Moods: vivid
- Page: https://brandsweets.com/colors/05ff09

## Tints & shades

- Tints (toward white): #1fff22, #33ff36, #4dff4f, #66ff69, #80ff82, #94ff96, #adffaf, #c7ffc8, #dbffdc, #f5fff5
- Shades (toward black): #00eb04, #00d604, #00bd03, #00a303, #008f02, #007502, #005c02, #004201, #002e01, #001400

## Harmonies

- Complementary: #ff05fb
- Analogous: #7eff05, #05ff86
- Triadic: #0905ff, #ff0905
- Split-complementary: #8605ff, #ff057e
- Tetradic: #057eff, #ff05fb, #ff8605

## Colors that go with #05ff09

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 #05ff09 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 #05ff09: 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 #05ff09: 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 #05ff09: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Light Coral** #f08080 [harmony: triadic] — Light Coral completes a triad with #05ff09 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/lightcoral
- **Cornflower Blue** #6495ed [harmony: triadic] — Cornflower Blue completes a triad with #05ff09 — 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 #05ff09'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 #05ff09, 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): 1.37:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #008a02 (4.53:1); AA: background → #616161 (4.52:1); AAA: text → #006602 (7.24:1); AAA: background → #424242 (7.33:1)
- On black (#000000): 15.31:1 — 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/05ff09-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: "#05ff09" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.