# #28fe0b

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

## Values

- Hex: `#28fe0b`
- RGB: rgb(40, 254, 11)
- HSL: hsl(113, 99%, 52%)
- OKLCH: oklch(0.866 0.289 142)
- Relative luminance: 0.7136
- Nearest named color: Green Screen (#22ff00, Δ 0.342) — https://brandsweets.com/colors/green-screen
- Moods: vivid
- Page: https://brandsweets.com/colors/28fe0b

## Tints & shades

- Tints (toward white): #3efe25, #50fe39, #66fe52, #78fe67, #8ffe80, #a5fe9a, #b7ffae, #ceffc7, #e0ffdb, #f6fff5
- Shades (toward black): #1def01, #1ad501, #17c101, #14a701, #118e01, #0e7501, #0b5b00, #094700, #062e00, #021400

## Harmonies

- Complementary: #e20bfe
- Analogous: #a1fe0b, #0bfe68
- Triadic: #0b28fe, #fe0b28
- Split-complementary: #680bfe, #fe0ba1
- Tetradic: #0ba1fe, #e20bfe, #fe680b

## Colors that go with #28fe0b

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 #28fe0b 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 #28fe0b — 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 #28fe0b: 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 #28fe0b: 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 #28fe0b: 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 #28fe0b — 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 #28fe0b'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 #28fe0b, 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): 1.38:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #118901 (4.56:1); AA: background → #616161 (4.5:1); AAA: text → #0c6501 (7.3:1); AAA: background → #424242 (7.31:1)
- On black (#000000): 15.27:1 — 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/28fe0b-a2bea2-884edf-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: "#28fe0b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.