# #18aa8d

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

## Values

- Hex: `#18aa8d`
- RGB: rgb(24, 170, 141)
- HSL: hsl(168, 75%, 38%)
- OKLCH: oklch(0.661 0.121 174.2)
- Relative luminance: 0.3087
- Nearest named color: Hobgoblin (#01ad8f, Δ 0.842) — https://brandsweets.com/colors/hobgoblin
- Moods: vivid
- Page: https://brandsweets.com/colors/18aa8d

## Tints & shades

- Tints (toward white): #1cc4a3, #20dfb9, #3be3c1, #55e7ca, #70ebd2, #8beedb, #a6f2e3, #c1f6eb, #dbfaf4, #f6fefc
- Shades (toward black): #169c81, #148a73, #127d68, #0f6b59, #0d5e4e, #0b5043, #093e34, #073129, #041f1a, #03120f

## Harmonies

- Complementary: #aa1835
- Analogous: #18aa44, #187eaa
- Triadic: #8d18aa, #aa8d18
- Split-complementary: #aa187e, #aa4418
- Tetradic: #4418aa, #aa1835, #7eaa18

## Colors that go with #18aa8d

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 #18aa8d: softer than #000 and cool enough to feel like part of the same palette. Seen in: N26 (https://brandsweets.com/colors/brands/n26-com), Coastal (https://brandsweets.com/palettes/cool#coastal), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Unity's brand system and Spotify's brand system put Blue beside #18aa8d, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify), Canva (https://brandsweets.com/colors/brands/canva-com), Kia (https://brandsweets.com/colors/brands/kia-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #18aa8d: 4 real palettes, including Spotify's brand system and Terminal, as the supporting colour. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Terminal (https://brandsweets.com/palettes/technical#terminal), Canva (https://brandsweets.com/colors/brands/canva-com), Arctic (https://brandsweets.com/palettes/clean#arctic). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #18aa8d in 4 real palettes, including Diner and DuckDuckGo's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #18aa8d: 5 real palettes, including Peacock and Intel's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Fintech Trust and Tide Pool put Midnight Blue beside #18aa8d, as the text colour against it. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Ford (https://brandsweets.com/colors/brands/ford-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #18aa8d in 7 real palettes, including Khan Academy's brand system and Brilliant's brand system, as the accent. Seen in: Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/royalblue
- **Deep Pink** #ff1493 [harmony: complementary] — Deep Pink sits directly opposite #18aa8d 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/deeppink

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

- On white (#ffffff): 2.93:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #12816b (4.8:1); AA: background → #303030 (4.51:1); AAA: text → #0e6251 (7.28:1); AAA: background → #030303 (7.05:1)
- On black (#000000): 7.17:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/18aa8d-a2bebc-d459ad-1f2a2d-e9f1ec?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: "#18aa8d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.