# #18f71b

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

## Values

- Hex: `#18f71b`
- RGB: rgb(24, 247, 27)
- HSL: hsl(121, 93%, 53%)
- OKLCH: oklch(0.847 0.282 142.6)
- Relative luminance: 0.6679
- Nearest named color: Cyber Neon Green (#00ff26, Δ 2.095) — https://brandsweets.com/colors/cyber-neon-green
- Moods: vivid
- Page: https://brandsweets.com/colors/18f71b

## Tints & shades

- Tints (toward white): #30f834, #44f847, #5df95f, #70fa73, #89fb8b, #9dfb9e, #b5fcb6, #c9fdca, #e1fee2, #f5fff5
- Shades (toward black): #09ec0c, #08d40b, #07bb0a, #06a208, #058f07, #047606, #035e05, #024504, #022c02, #011401

## Harmonies

- Complementary: #f718f3
- Analogous: #83f718, #18f78b
- Triadic: #1b18f7, #f71b18
- Split-complementary: #8b18f7, #f71883
- Tetradic: #1883f7, #f718f3, #f78b18

## Colors that go with #18f71b

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 #18f71b 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 #18f71b: 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 #18f71b: 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 #18f71b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #18f71b: two real palettes: Remix's brand system and Learning App, as the lead colour. Seen in: Remix (https://brandsweets.com/colors/brands/remix-run), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/deepskyblue
- **Red** #ff0000 [pool] — Red is paired with #18f71b in two real palettes: Gatorade's brand system and Wise's brand system, as the supporting colour. Seen in: Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/red
- **Light Coral** #f08080 [harmony: triadic] — Light Coral completes a triad with #18f71b — 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 #18f71b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/cornflowerblue

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

- On white (#ffffff): 1.46:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #058a07 (4.52:1); AA: background → #5c5c5c (4.57:1); AAA: text → #046705 (7.12:1); AAA: background → #404040 (7.09:1)
- On black (#000000): 14.36:1 — 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/18f71b-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: "#18f71b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.