# #01fef1

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

## Values

- Hex: `#01fef1`
- RGB: rgb(1, 254, 241)
- HSL: hsl(177, 99%, 50%)
- OKLCH: oklch(0.899 0.156 188.2)
- Relative luminance: 0.7724
- Nearest named color: Arctic Water (#00fcfc, Δ 1.802) — https://brandsweets.com/colors/arctic-water
- Moods: vivid
- Page: https://brandsweets.com/colors/01fef1

## Tints & shades

- Tints (toward white): #1bfef2, #34fef4, #48fef5, #62fef6, #7bfef8, #94fef9, #aefffb, #c2fffc, #dbfffd, #f5fffe
- Shades (toward black): #01e4d9, #01d0c6, #01b7ae, #01a29a, #018982, #01706a, #005b57, #00423f, #002e2b, #001413

## Harmonies

- Complementary: #fe010e
- Analogous: #01fe73, #018cfe
- Triadic: #f101fe, #fef101
- Split-complementary: #fe018c, #fe7301
- Tetradic: #7301fe, #fe010e, #8cfe01

## Colors that go with #01fef1

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

- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #01fef1's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/deepskyblue
- **Light Coral** #f08080 [harmony: complementary] — Light Coral sits directly opposite #01fef1 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/lightcoral
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #01fef1: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #01fef1 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
- **Salmon** #fa8072 [harmony: split] — Salmon is a split-complement of #01fef1: 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 #01fef1: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/violet
- **Emerald Green** #50c878 [harmony, pool: analogous] — Emerald Green is #01fef1's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Supabase (https://brandsweets.com/colors/brands/supabase). — https://brandsweets.com/colors/emerald-green
- **Light Sea Green** #20b2aa [pool] — Light Sea Green shows up next to #01fef1 in two real palettes: Prisma's brand system and Netlify's brand system, as the lead colour. Seen in: Prisma (https://brandsweets.com/colors/brands/prisma-io), Netlify (https://brandsweets.com/colors/brands/netlify-com). — https://brandsweets.com/colors/lightseagreen

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

- On white (#ffffff): 1.28:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #01847d (4.57:1); AA: background → #636363 (4.71:1); AAA: text → #00605c (7.43:1); AAA: background → #474747 (7.28:1)
- On black (#000000): 16.45:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Bluesky Social** — accent #00ffff (Δ 1.917) — https://brandsweets.com/colors/brands/bsky-app

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/01fef1-a2bcbe-d4599b-1f282d-e9f1ed?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: "#01fef1" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.