# #4ff4fc

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#4ff4fc`
- RGB: rgb(79, 244, 252)
- HSL: hsl(183, 97%, 65%)
- OKLCH: oklch(0.887 0.133 199.8)
- Relative luminance: 0.7339
- Nearest named color: Aggressive Aqua (#00fbff, Δ 2.277) — https://brandsweets.com/colors/aggressive-aqua
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/4ff4fc

## Tints & shades

- Tints (toward white): #5ef5fd, #72f6fd, #81f7fd, #90f8fd, #a5f9fe, #b4fafe, #c3fbfe, #d2fcfe, #e6fdff, #f5feff
- Shades (toward black): #31f2fc, #13f0fb, #04e0ec, #03c4ce, #03a7b0, #02868d, #02696f, #014c50, #013032, #001314

## Harmonies

- Complementary: #fc584f
- Analogous: #4ffcae, #4f9dfc
- Triadic: #fc4ff4, #f4fc4f
- Split-complementary: #fc4f9d, #fcae4f
- Tetradic: #ae4ffc, #fc584f, #9dfc4f

## Colors that go with #4ff4fc

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 #4ff4fc: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Vimeo (https://brandsweets.com/colors/brands/vimeo-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #4ff4fc's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Astro (https://brandsweets.com/colors/brands/astro-build), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #4ff4fc in 8 real palettes, including Astro's brand system and Boeing's brand system, as the text colour against it. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Boeing (https://brandsweets.com/colors/brands/boeing-com), Macaron (https://brandsweets.com/palettes/light#macaron), Nursery (https://brandsweets.com/palettes/light#nursery). — https://brandsweets.com/colors/taupe
- **Light Coral** #f08080 [harmony: complementary] — Light Coral sits directly opposite #4ff4fc 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
- **Crimson** #dc143c [pool] — Crimson is paired with #4ff4fc 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
- **Light Pink** #ffb6c1 [pool] — Light Pink shows up next to #4ff4fc in 3 real palettes, including Macaron and Pastel Pop, as the lead colour. Seen in: Macaron (https://brandsweets.com/palettes/light#macaron), Pastel Pop (https://brandsweets.com/palettes/playful#pastel-pop), Sorbet (https://brandsweets.com/palettes/light#sorbet). — https://brandsweets.com/colors/lightpink
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #4ff4fc: 3 real palettes, including Glacier and Astro's brand system, as the lead colour. Seen in: Glacier (https://brandsweets.com/palettes/cool#glacier), Astro (https://brandsweets.com/colors/brands/astro-build), Deep Water (https://brandsweets.com/palettes/dark#deep-water). — https://brandsweets.com/colors/steelblue
- **Coral** #ff7f50 [harmony: split] — Coral is a split-complement of #4ff4fc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/coral

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

- On white (#ffffff): 1.34:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #028188 (4.67:1); AA: background → #616161 (4.62:1); AAA: text → #026064 (7.34:1); AAA: background → #454545 (7.16:1)
- On black (#000000): 15.68:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/4ff4fc-a2b9be-d4598e-1f262d-e9f1ee?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: "#4ff4fc" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.