# #01efcf

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

## Values

- Hex: `#01efcf`
- RGB: rgb(1, 239, 207)
- HSL: hsl(172, 99%, 47%)
- OKLCH: oklch(0.852 0.156 178.3)
- Relative luminance: 0.6624
- Nearest named color: Fake Jade (#13eac9, Δ 1.377) — https://brandsweets.com/colors/fake-jade
- Moods: vivid
- Page: https://brandsweets.com/colors/01efcf

## Tints & shades

- Tints (toward white): #0bfedd, #25fee1, #3efee4, #58fee8, #76feec, #8ffef0, #a9fff3, #c2fff7, #dbfffa, #f5fffe
- Shades (toward black): #01dabd, #01c1a7, #01ad96, #019884, #018472, #016b5c, #00564b, #004239, #002923, #001412

## Harmonies

- Complementary: #ef0121
- Analogous: #01ef58, #0197ef
- Triadic: #cf01ef, #efcf01
- Split-complementary: #ef0197, #ef5801
- Tetradic: #5801ef, #ef0121, #97ef01

## Colors that go with #01efcf

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

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #01efcf: 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), UEFA (https://brandsweets.com/colors/brands/uefa-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #01efcf: 4 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), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #01efcf in 6 real palettes, including Astro's brand system and Mint Chip, as the text colour against it. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com). — https://brandsweets.com/colors/taupe
- **Hot Pink** #ff69b4 [harmony: complementary] — Hot Pink sits directly opposite #01efcf 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
- **Crimson** #dc143c [pool] — Crimson is paired with #01efcf 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), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Plum** #dda0dd [harmony, pool: triadic] — Plum completes a triad with #01efcf — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Blossom (https://brandsweets.com/palettes/light#blossom), Netlify (https://brandsweets.com/colors/brands/netlify-com). — https://brandsweets.com/colors/plum
- **Salmon** #fa8072 [harmony: split] — Salmon is a split-complement of #01efcf: 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 #01efcf: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/violet

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

- On white (#ffffff): 1.47:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #018472 (4.62:1); AA: background → #5c5c5c (4.54:1); AAA: text → #006054 (7.5:1); AAA: background → #404040 (7.04:1)
- On black (#000000): 14.25:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Formula 1** — primary #27f4d2 (Δ 1.567) — https://brandsweets.com/colors/brands/formula1-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/01efcf-a2bebe-d459a5-1f292d-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: "#01efcf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.