# #18bfdc

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

## Values

- Hex: `#18bfdc`
- RGB: rgb(24, 191, 220)
- HSL: hsl(189, 80%, 48%)
- OKLCH: oklch(0.741 0.127 214.1)
- Relative luminance: 0.4262
- Nearest named color: Blue Bikini (#00bbee, Δ 3.192) — https://brandsweets.com/colors/blue-bikini
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/18bfdc

## Tints & shades

- Tints (toward white): #27cae7, #3ed0ea, #55d5ec, #6cdbef, #83e1f1, #9ae6f4, #b1ecf6, #c8f2f9, #dff7fb, #f6fdfe
- Shades (toward black): #16afca, #149bb3, #128ba1, #0f778a, #0d6777, #0b5865, #09444e, #07343c, #042025, #021012

## Harmonies

- Complementary: #dc3618
- Analogous: #18dc98, #185ddc
- Triadic: #dc18bf, #bfdc18
- Split-complementary: #dc185d, #dc9818
- Tetradic: #9818dc, #dc3618, #5ddc18

## Colors that go with #18bfdc

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 #18bfdc: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Dark Orange** #ff8c00 [harmony, pool: split] — Dark Orange is a split-complement of #18bfdc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Elastic (https://brandsweets.com/colors/brands/elastic-co), PayPal (https://brandsweets.com/colors/brands/paypal-com). — https://brandsweets.com/colors/darkorange
- **Denim** #1560bd [pool] — Designers have shipped Denim with #18bfdc: 5 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), UEFA (https://brandsweets.com/colors/brands/uefa-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #18bfdc: 4 real palettes, including Patreon's brand system and Figma's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Figma (https://brandsweets.com/colors/brands/figma), Venmo (https://brandsweets.com/colors/brands/venmo-com), Opensea (https://brandsweets.com/colors/brands/opensea-io). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Confluent's brand system and Kraken's brand system put Midnight Blue beside #18bfdc, as the lead colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Kraken (https://brandsweets.com/colors/brands/kraken-com), SoFi (https://brandsweets.com/colors/brands/sofi-com), Ford (https://brandsweets.com/colors/brands/ford-com). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #18bfdc in 8 real palettes, including Confluent's brand system and Elastic's brand system, as the supporting colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Elastic (https://brandsweets.com/colors/brands/elastic-co), 1password (https://brandsweets.com/colors/brands/1password-com), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #18bfdc in 8 real palettes, including Crayon Box and Cursor's brand system, as the text colour against it. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Cursor (https://brandsweets.com/colors/brands/cursor-com), Astro (https://brandsweets.com/colors/brands/astro-build), Raycast (https://brandsweets.com/colors/brands/raycast). — https://brandsweets.com/colors/taupe
- **Salmon** #fa8072 [harmony: complementary] — Salmon sits directly opposite #18bfdc 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/salmon

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

- On white (#ffffff): 2.2:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #107f93 (4.69:1); AA: background → #424242 (4.56:1); AAA: text → #0c5f6e (7.3:1); AAA: background → #242424 (7.04:1)
- On black (#000000): 9.52:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Riot Games** — accent #0bc4e2 (Δ 1.426) — https://brandsweets.com/colors/brands/riotgames-com

## 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/18bfdc-a2b7be-df4e7e-1f252d-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: "#18bfdc" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.