# #66ffad

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

## Values

- Hex: `#66ffad`
- RGB: rgb(102, 255, 173)
- HSL: hsl(148, 100%, 70%)
- OKLCH: oklch(0.898 0.174 156.6)
- Relative luminance: 0.7736
- Nearest named color: Illicit Green (#56fca2, Δ 1.873) — https://brandsweets.com/colors/illicit-green
- Moods: vivid, light, clean
- Page: https://brandsweets.com/colors/66ffad

## Tints & shades

- Tints (toward white): #75ffb6, #85ffbe, #8fffc3, #9effcb, #adffd3, #bdffdc, #ccffe4, #d6ffe9, #e5fff1, #f5fffa
- Shades (toward black): #42ff9a, #24ff8a, #00ff77, #00e069, #00bd58, #009947, #007a39, #005728, #00381a, #00140a

## Harmonies

- Complementary: #ff66b8
- Analogous: #6bff66, #66fffa
- Triadic: #ad66ff, #ffad66
- Split-complementary: #fa66ff, #ff666b
- Tetradic: #666bff, #ff66b8, #fffa66

## Colors that go with #66ffad

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 #66ffad 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 text near-black for #66ffad: softer than #000 and cool enough to feel like part of the same palette. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #66ffad: 3 real palettes, including Prime Video's brand system and Astro's brand system, as the supporting colour. Seen in: Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Astro (https://brandsweets.com/colors/brands/astro-build), Remix (https://brandsweets.com/colors/brands/remix-run). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #66ffad in 3 real palettes, including Astro's brand system and 7-Eleven's brand system, as the text colour against it. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Macaron (https://brandsweets.com/palettes/light#macaron). — https://brandsweets.com/colors/taupe
- **Light Coral** #f08080 [harmony: split] — Light Coral is a split-complement of #66ffad: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lightcoral
- **Plum** #dda0dd [harmony: split] — Plum is a split-complement of #66ffad: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/plum
- **Crimson** #dc143c [pool] — Crimson is paired with #66ffad in two real palettes: Formula 1's brand system and Wise's brand system, as the supporting colour. Seen in: Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/crimson
- **Red** #ff0000 [pool] — Red is paired with #66ffad 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

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

- On white (#ffffff): 1.27:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #00853e (4.75:1); AA: background → #666666 (4.5:1); AAA: text → #006630 (7.14:1); AAA: background → #474747 (7.29:1)
- On black (#000000): 16.47:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Deno** — secondary #70ffaf (Δ 0.737) — https://brandsweets.com/colors/brands/deno-com

## Fonts for this mood

- clean: https://brandsweets.com/fonts/mood/clean

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/66ffad-a2beb2-d259d4-1f2d2c-eaf1e9?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: "#66ffad" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.