# #4facfc

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

## Values

- Hex: `#4facfc`
- RGB: rgb(79, 172, 252)
- HSL: hsl(208, 97%, 65%)
- OKLCH: oklch(0.723 0.146 247.5)
- Relative luminance: 0.382
- Nearest named color: Cerulean (#55aaee, Δ 2.012) — https://brandsweets.com/colors/cerulean
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/4facfc

## Tints & shades

- Tints (toward white): #5eb3fd, #72bcfd, #81c3fd, #90cbfd, #a5d4fe, #b4dbfe, #c3e2fe, #d2eafe, #e6f3ff, #f5faff
- Shades (toward black): #319dfc, #138ffb, #0480ec, #036fce, #035fb0, #024c8d, #023c6f, #012b50, #011b32, #000b14

## Harmonies

- Complementary: #fca04f
- Analogous: #4ffcf7, #4f55fc
- Triadic: #fc4fac, #acfc4f
- Split-complementary: #fc4f55, #fcf74f
- Tetradic: #f74ffc, #fca04f, #55fc4f

## Colors that go with #4facfc

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 #4facfc: softer than #000 and cool enough to feel like part of the same palette. Seen in: Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Mercury (https://brandsweets.com/colors/brands/mercury-com). — https://brandsweets.com/colors/charcoal
- **Goldenrod** #daa520 [harmony, pool: complementary] — Goldenrod sits directly opposite #4facfc on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/goldenrod
- **Amber** #ffbf00 [pool] — Amber is paired with #4facfc in 7 real palettes, including NBA's brand system and Salesforce's brand system, as the lead colour. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 6 real palettes, including Warp's brand system and Unity's brand system put Blue beside #4facfc, as the supporting colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Unity (https://brandsweets.com/colors/brands/unity-com), Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #4facfc in 5 real palettes, including Learning App and Elastic's brand system, as the accent. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Elastic (https://brandsweets.com/colors/brands/elastic-co), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), PayPal (https://brandsweets.com/colors/brands/paypal-com). — https://brandsweets.com/colors/darkorange
- **Denim** #1560bd [pool] — Designers have shipped Denim with #4facfc: 7 real palettes, including Venmo's brand system and Coca-Cola's brand system, as the accent. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Apple (https://brandsweets.com/colors/brands/apple-com), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/denim
- **Gold** #ffd700 [pool] — Gold shows up next to #4facfc in 4 real palettes, including Prime Video's brand system and Miro's brand system, as the lead colour. Seen in: Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Miro (https://brandsweets.com/colors/brands/miro-com), Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom (https://brandsweets.com/colors/brands/phantom-com), Star Wars (https://brandsweets.com/colors/brands/starwars-com). — https://brandsweets.com/colors/gold
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #4facfc in 4 real palettes, including Terminal and Unity's brand system, as the lead colour. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/mediumseagreen

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

- On white (#ffffff): 2.43:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0375d8 (4.63:1); AA: background → #3b3b3b (4.61:1); AAA: text → #0257a1 (7.29:1); AAA: background → #1c1c1c (7.01:1)
- On black (#000000): 8.64:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Remix** — secondary #59b0ff (Δ 1.453) — https://brandsweets.com/colors/brands/remix-run
- **Render** — secondary #33acff (Δ 1.651) — https://brandsweets.com/colors/brands/render-com
- **Calendly** — primary #64acfb (Δ 1.69) — https://brandsweets.com/colors/brands/calendly-com
- **NBA** — accent #66abff (Δ 1.967) — https://brandsweets.com/colors/brands/nba-com

## Curated palettes containing it

- **Terminal** (technical, dark, modern) — #3fb950, #58a6ff, #f778ba, #0b0f14, #e6edf3 — Green for success, blue for links, pink for emphasis — the dark-mode developer family, tuned to sit on near-black without glare. — tool: https://brandsweets.com/palettes/new/3fb950-58a6ff-f778ba-0b0f14-e6edf3 — collection: https://brandsweets.com/palettes/technical

## 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/4facfc-9cadc4-df4e51-1f212d-e9f1f1?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: "#4facfc" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.