# #15cbc8

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

## Values

- Hex: `#15cbc8`
- RGB: rgb(21, 203, 200)
- HSL: hsl(179, 81%, 44%)
- OKLCH: oklch(0.763 0.128 192.9)
- Relative luminance: 0.4704
- Nearest named color: darkturquoise (#00ced1, Δ 1.306) — https://brandsweets.com/colors/darkturquoise
- Moods: vivid
- Page: https://brandsweets.com/colors/15cbc8

## Tints & shades

- Tints (toward white): #18e2df, #2fe9e6, #46ece9, #62efec, #79f1ef, #90f3f2, #acf6f5, #c3f9f8, #dffcfb, #f6fefe
- Shades (toward black): #13b9b6, #11a6a4, #109491, #0e817f, #0c6f6d, #0a5c5b, #084a49, #063737, #042524, #021212

## Harmonies

- Complementary: #cb1518
- Analogous: #15cb6d, #1573cb
- Triadic: #c815cb, #cbc815
- Split-complementary: #cb1573, #cb6d15
- Tetradic: #6d15cb, #cb1518, #73cb15

## Colors that go with #15cbc8

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 #15cbc8: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lagoon (https://brandsweets.com/palettes/vivid#lagoon), UEFA (https://brandsweets.com/colors/brands/uefa-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Warp's brand system put Blue beside #15cbc8, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Unity (https://brandsweets.com/colors/brands/unity-com), Uber (https://brandsweets.com/colors/brands/uber-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #15cbc8 in 4 real palettes, including Riot Games's brand system and Tiffany & Co.'s brand system, as the supporting colour. Seen in: Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #15cbc8: 5 real palettes, including Patreon's brand system and Unity's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Unity (https://brandsweets.com/colors/brands/unity-com), Figma (https://brandsweets.com/colors/brands/figma), Opensea (https://brandsweets.com/colors/brands/opensea-io). — https://brandsweets.com/colors/dodgerblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #15cbc8 in 5 real palettes, including Khan Academy's brand system and Docker's brand system, as the accent. Seen in: Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Docker (https://brandsweets.com/colors/brands/docker-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #15cbc8: 4 real palettes, including Deep Water and Astro's brand system, as the supporting colour. Seen in: Deep Water (https://brandsweets.com/palettes/dark#deep-water), Astro (https://brandsweets.com/colors/brands/astro-build), Glacier (https://brandsweets.com/palettes/cool#glacier), Telegram (https://brandsweets.com/colors/brands/telegram-org). — https://brandsweets.com/colors/steelblue
- **Taupe** #483c32 [pool] — Taupe is paired with #15cbc8 in 12 real palettes, including Crayon Box and Resort, as the text colour against it. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Resort (https://brandsweets.com/palettes/light#resort), Polaroid (https://brandsweets.com/palettes/light#polaroid), Mint Chip (https://brandsweets.com/palettes/light#mint-chip). — https://brandsweets.com/colors/taupe
- **Light Coral** #f08080 [harmony: complementary] — Light Coral sits directly opposite #15cbc8 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/lightcoral

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

- On white (#ffffff): 2.02:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0e817f (4.7:1); AA: background → #474747 (4.61:1); AAA: text → #0a615f (7.27:1); AAA: background → #2b2b2b (7.02:1)
- On black (#000000): 10.41:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Crayon Box** (playful, vivid, friendly) — #ff5e5b, #00cecb, #ffed66, #ffffff, #222222 — Red, teal and yellow at crayon saturation — joyful, but on white with black type so it stays readable for grown-ups. — tool: https://brandsweets.com/palettes/new/ff5e5b-00cecb-ffed66-ffffff-222222 — collection: https://brandsweets.com/palettes/playful

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/15cbc8-a2bbbe-d45996-1f272d-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: "#15cbc8" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.