# #19a388

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

## Values

- Hex: `#19a388`
- RGB: rgb(25, 163, 136)
- HSL: hsl(168, 73%, 37%)
- OKLCH: oklch(0.641 0.116 174.7)
- Relative luminance: 0.2818
- Nearest named color: Herbal (#29ab87, Δ 2.624) — https://brandsweets.com/colors/herbal
- Moods: vivid
- Page: https://brandsweets.com/colors/19a388

## Tints & shades

- Tints (toward white): #1ebe9e, #22d8b4, #38e0bf, #53e4c7, #72e9d1, #8cedda, #a7f1e2, #c1f5eb, #dcf9f4, #f6fefc
- Shades (toward black): #17967d, #15846e, #137763, #116a58, #0e5d4d, #0c4b3e, #0a3e33, #083128, #051f1a, #03120f

## Harmonies

- Complementary: #a31935
- Analogous: #19a343, #197aa3
- Triadic: #8819a3, #a38819
- Split-complementary: #a3197a, #a34319
- Tetradic: #4319a3, #a31935, #7aa319

## Colors that go with #19a388

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 #19a388: softer than #000 and cool enough to feel like part of the same palette. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), N26 (https://brandsweets.com/colors/brands/n26-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Unity's brand system and Kia's brand system put Blue beside #19a388, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Kia (https://brandsweets.com/colors/brands/kia-com), Spotify (https://brandsweets.com/colors/brands/spotify), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #19a388: 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), Arctic (https://brandsweets.com/palettes/clean#arctic), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #19a388 in 6 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 #19a388: 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 #19a388, 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 #19a388 in 7 real palettes, including Khan Academy's brand system and Console Light, as the accent. Seen in: Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Deep Pink** #ff1493 [harmony: complementary] — Deep Pink sits directly opposite #19a388 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): 3.16:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #15846e (4.61:1); AA: background → #292929 (4.6:1); AAA: text → #0f6151 (7.37:1)
- On black (#000000): 6.64:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1aa88b (7.02:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/19a388-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: "#19a388" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.