# #18aaaf

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

## Values

- Hex: `#18aaaf`
- RGB: rgb(24, 170, 175)
- HSL: hsl(182, 76%, 39%)
- OKLCH: oklch(0.672 0.111 198.7)
- Relative luminance: 0.3204
- Nearest named color: lightseagreen (#20b2aa, Δ 2.742) — https://brandsweets.com/colors/lightseagreen
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/18aaaf

## Tints & shades

- Tints (toward white): #1cc4ca, #23dbe1, #3edfe5, #59e4e8, #74e8ec, #8aecef, #a5f0f3, #c0f5f6, #dbf9fa, #f6fefe
- Shades (toward black): #169da2, #148b90, #127e82, #0f6d70, #0d6063, #0b4e51, #094143, #073031, #052324, #021112

## Harmonies

- Complementary: #af1d18
- Analogous: #18af68, #185eaf
- Triadic: #af18aa, #aaaf18
- Split-complementary: #af185e, #af6818
- Tetradic: #6818af, #af1d18, #5eaf18

## Colors that go with #18aaaf

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 #18aaaf: softer than #000 and cool enough to feel like part of the same palette. Seen in: N26 (https://brandsweets.com/colors/brands/n26-com), Lido (https://brandsweets.com/palettes/vivid#lido), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Tomato** #ff6347 [harmony, pool: complementary] — Tomato sits directly opposite #18aaaf on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/tomato
- **Denim** #1560bd [pool] — Designers have shipped Denim with #18aaaf: 5 real palettes, including Peacock and Gopro's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Gopro (https://brandsweets.com/colors/brands/gopro-com), Open House (https://brandsweets.com/palettes/clean#open-house), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #18aaaf: 5 real palettes, including Unity's brand system and Studio Grey, as the lead colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Studio Grey (https://brandsweets.com/palettes/minimal#studio-grey), Figma (https://brandsweets.com/colors/brands/figma), Patreon (https://brandsweets.com/colors/brands/patreon-com). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Ford's brand system and Confluent's brand system put Midnight Blue beside #18aaaf, as the lead colour. Seen in: Ford (https://brandsweets.com/colors/brands/ford-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), SoFi (https://brandsweets.com/colors/brands/sofi-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #18aaaf in 4 real palettes, including Confluent's brand system and Khan Academy's brand system, as the supporting colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Elastic (https://brandsweets.com/colors/brands/elastic-co), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #18aaaf in 11 real palettes, including Resort and Still Water, as the text colour against it. Seen in: Resort (https://brandsweets.com/palettes/light#resort), Still Water (https://brandsweets.com/palettes/cool#still-water), Cursor (https://brandsweets.com/colors/brands/cursor-com), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/taupe
- **Chocolate** #d2691e [harmony, pool: split] — Chocolate is a split-complement of #18aaaf: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Homestead (https://brandsweets.com/palettes/warm#homestead). — https://brandsweets.com/colors/chocolate

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

- On white (#ffffff): 2.83:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #128387 (4.54:1); AA: background → #303030 (4.66:1); AAA: text → #0d6063 (7.32:1); AAA: background → #080808 (7.06:1)
- On black (#000000): 7.41:1 — 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/18aaaf-a2babe-d45990-1f272d-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: "#18aaaf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.