# #19aea9

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

## Values

- Hex: `#19aea9`
- RGB: rgb(25, 174, 169)
- HSL: hsl(178, 75%, 39%)
- OKLCH: oklch(0.68 0.113 191.1)
- Relative luminance: 0.3334
- Nearest named color: lightseagreen (#20b2aa, Δ 1.214) — https://brandsweets.com/colors/lightseagreen
- Moods: vivid
- Page: https://brandsweets.com/colors/19aea9

## Tints & shades

- Tints (toward white): #1dc9c3, #24e0da, #3fe4de, #5ae7e3, #75ebe7, #8beeeb, #a6f2f0, #c1f6f4, #dbfaf9, #f6fefd
- Shades (toward black): #17a19c, #148f8b, #12817e, #10706c, #0e625f, #0b504e, #0a4341, #073130, #052423, #031211

## Harmonies

- Complementary: #ae191e
- Analogous: #19ae5e, #1968ae
- Triadic: #a919ae, #aea919
- Split-complementary: #ae1968, #ae5e19
- Tetradic: #5e19ae, #ae191e, #68ae19

## Colors that go with #19aea9

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 #19aea9: softer than #000 and cool enough to feel like part of the same palette. Seen in: N26 (https://brandsweets.com/colors/brands/n26-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Coastal (https://brandsweets.com/palettes/cool#coastal), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #19aea9: 5 real palettes, including Peacock and Open House, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Open House (https://brandsweets.com/palettes/clean#open-house), Gopro (https://brandsweets.com/colors/brands/gopro-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Ford's brand system and Confluent's brand system put Midnight Blue beside #19aea9, 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
- **Orange** #ffa500 [pool] — 4 real palettes, including Mint Modern and Gopro's brand system put Orange beside #19aea9, as the accent. Seen in: Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Gopro (https://brandsweets.com/colors/brands/gopro-com), Olympics (https://brandsweets.com/colors/brands/olympics-com), Graphite (https://brandsweets.com/palettes/technical#graphite). — https://brandsweets.com/colors/orange
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #19aea9 in 5 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), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Elastic (https://brandsweets.com/colors/brands/elastic-co). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #19aea9: 4 real palettes, including Deep Water and Fintech Trust, as the supporting colour. Seen in: Deep Water (https://brandsweets.com/palettes/dark#deep-water), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Telegram (https://brandsweets.com/colors/brands/telegram-org), Olympics (https://brandsweets.com/colors/brands/olympics-com). — https://brandsweets.com/colors/steelblue
- **Taupe** #483c32 [pool] — Taupe is paired with #19aea9 in 12 real palettes, including Resort and Crayon Box, as the text colour against it. Seen in: Resort (https://brandsweets.com/palettes/light#resort), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Polaroid (https://brandsweets.com/palettes/light#polaroid), Cursor (https://brandsweets.com/colors/brands/cursor-com). — https://brandsweets.com/colors/taupe
- **Pale Violet Red** #db7093 [harmony: complementary] — Pale Violet Red sits directly opposite #19aea9 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/palevioletred

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

- On white (#ffffff): 2.74:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #12817e (4.7:1); AA: background → #333333 (4.61:1); AAA: text → #0e625f (7.16:1); AAA: background → #0d0d0d (7.1:1)
- On black (#000000): 7.67:1 — 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/19aea9-a2bcbe-d45999-1f282d-e9f1ed?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: "#19aea9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.