# #01f9cf

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

## Values

- Hex: `#01f9cf`
- RGB: rgb(1, 249, 207)
- HSL: hsl(170, 99%, 49%)
- OKLCH: oklch(0.876 0.166 174.5)
- Relative luminance: 0.7226
- Nearest named color: Fake Jade (#13eac9, Δ 4.049) — https://brandsweets.com/colors/fake-jade
- Moods: vivid
- Page: https://brandsweets.com/colors/01f9cf

## Tints & shades

- Tints (toward white): #16fed7, #2ffedb, #48fee0, #62fee4, #7bfee8, #8ffeec, #a9fff0, #c2fff5, #dbfff9, #f5fffd
- Shades (toward black): #01e4be, #01cba9, #01b798, #019d83, #018972, #01705d, #005b4c, #004237, #002e26, #001411

## Harmonies

- Complementary: #f9012a
- Analogous: #01f954, #01a6f9
- Triadic: #cf01f9, #f9cf01
- Split-complementary: #f901a6, #f95401
- Tetradic: #5401f9, #f9012a, #a6f901

## Colors that go with #01f9cf

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Taupe** #483c32 [pool] — Taupe is paired with #01f9cf in 4 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), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Macaron (https://brandsweets.com/palettes/light#macaron). — https://brandsweets.com/colors/taupe
- **Hot Pink** #ff69b4 [harmony: complementary] — Hot Pink sits directly opposite #01f9cf 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/hotpink
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #01f9cf: softer than #000 and cool enough to feel like part of the same palette. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #01f9cf in 3 real palettes, including Formula 1's brand system and Tiffany & Co.'s brand system, as the supporting colour. Seen in: Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #01f9cf: 3 real palettes, including Astro's brand system and Prime Video's brand system, as the supporting colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Remix (https://brandsweets.com/colors/brands/remix-run). — https://brandsweets.com/colors/deepskyblue
- **Salmon** #fa8072 [harmony: split] — Salmon is a split-complement of #01f9cf: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/salmon
- **Violet** #ee82ee [harmony: split] — Violet is a split-complement of #01f9cf: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/violet
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #01f9cf in two real palettes: Neon's brand system and Canopy, as the supporting colour. Seen in: Neon (https://brandsweets.com/colors/brands/neon-tech), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/hunter-green

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

- On white (#ffffff): 1.36:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #01846e (4.64:1); AA: background → #616161 (4.56:1); AAA: text → #016555 (7.01:1); AAA: background → #454545 (7.06:1)
- On black (#000000): 15.45:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Formula 1** — primary #27f4d2 (Δ 1.605) — https://brandsweets.com/colors/brands/formula1-com
- **Astro** — accent #4bf3c8 (Δ 1.979) — https://brandsweets.com/colors/brands/astro-build

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/01f9cf-a2bebd-d459a9-1f292d-e9f1ec?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: "#01f9cf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.