# #78ff1f

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

## Values

- Hex: `#78ff1f`
- RGB: rgb(120, 255, 31)
- HSL: hsl(96, 100%, 56%)
- OKLCH: oklch(0.888 0.263 137.2)
- Relative luminance: 0.7561
- Nearest named color: chartreuse (#7fff00, Δ 0.618) — https://brandsweets.com/colors/chartreuse
- Moods: vivid
- Page: https://brandsweets.com/colors/78ff1f

## Tints & shades

- Tints (toward white): #85ff33, #91ff47, #a0ff61, #acff75, #b9ff8a, #c5ff9e, #d1ffb3, #e0ffcc, #edffe0, #f9fff5
- Shades (toward black): #69ff05, #5eeb00, #52cc00, #47b300, #3d9900, #338000, #296600, #1d4700, #122e00, #081400

## Harmonies

- Complementary: #a51fff
- Analogous: #e9ff1f, #1fff35
- Triadic: #1f78ff, #ff1f78
- Split-complementary: #351fff, #ff1fe9
- Tetradic: #1fe9ff, #a51fff, #ff351f

## Colors that go with #78ff1f

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 #78ff1f 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
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #78ff1f: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #78ff1f — 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 #78ff1f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Blue** #0000ff [pool] — Two real palettes: Robinhood's brand system and MongoDB's brand system put Blue beside #78ff1f, as the supporting colour. Seen in: Robinhood (https://brandsweets.com/colors/brands/robinhood-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Lime Green** #32cd32 [pool] — Two real palettes: Duolingo's brand system and Monster Energy's brand system put Lime Green beside #78ff1f, as the lead colour. Seen in: Duolingo (https://brandsweets.com/colors/brands/duolingo), Monster Energy (https://brandsweets.com/colors/brands/monsterenergy-com). — https://brandsweets.com/colors/limegreen
- **Red** #ff0000 [pool] — Red is paired with #78ff1f in two real palettes: Wise's brand system and Gatorade's brand system, as the lead colour. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Gatorade (https://brandsweets.com/colors/brands/gatorade-com). — https://brandsweets.com/colors/red
- **Lilac** #c8a2c8 [harmony: split] — Lilac is a split-complement of #78ff1f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lilac

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

- On white (#ffffff): 1.3:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #358500 (4.66:1); AA: background → #636363 (4.61:1); AAA: text → #296600 (7.01:1); AAA: background → #474747 (7.13:1)
- On black (#000000): 16.12:1 — 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/78ff1f-aabea2-5f4edf-1f2d20-f0f1e9?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: "#78ff1f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.