# #40cec4

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

## Values

- Hex: `#40cec4`
- RGB: rgb(64, 206, 196)
- HSL: hsl(176, 59%, 53%)
- OKLCH: oklch(0.775 0.119 188.1)
- Relative luminance: 0.4922
- Nearest named color: mediumturquoise (#48d1cc, Δ 1.401) — https://brandsweets.com/colors/mediumturquoise
- Moods: neutral
- Page: https://brandsweets.com/colors/40cec4

## Tints & shades

- Tints (toward white): #55d3cb, #65d7d0, #79dcd6, #89e1db, #9ee6e1, #aeeae6, #c2efec, #d2f3f1, #e7f9f8, #f7fdfd
- Shades (toward black): #32c3b9, #2daea6, #289a92, #23867f, #1e7670, #19615c, #144d49, #0f3936, #092423, #04100f

## Harmonies

- Complementary: #ce404a
- Analogous: #40ce7e, #4091ce
- Triadic: #c440ce, #cec440
- Split-complementary: #ce4091, #ce7e40
- Tetradic: #7e40ce, #ce404a, #91ce40

## Colors that go with #40cec4

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 #40cec4: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Uber's brand system put Blue beside #40cec4, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Uber (https://brandsweets.com/colors/brands/uber-com), Unity (https://brandsweets.com/colors/brands/unity-com), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #40cec4 in 4 real palettes, including Tiffany & Co.'s brand system and Riot Games's brand system, as the supporting colour. Seen in: Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Riot Games (https://brandsweets.com/colors/brands/riotgames-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
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #40cec4's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #40cec4: 4 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), Opensea (https://brandsweets.com/colors/brands/opensea-io), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/dodgerblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #40cec4 in 5 real palettes, including Docker's brand system and Khan Academy's brand system, as the supporting colour. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/royalblue
- **Slate Gray** #708090 [pool] — 4 real palettes, including Ledger Dark and Still Water put Slate Gray beside #40cec4, as the supporting colour. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Still Water (https://brandsweets.com/palettes/cool#still-water), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/slategray
- **Taupe** #483c32 [pool] — Taupe is paired with #40cec4 in 17 real palettes, including Crayon Box and Mint Chip, as the text colour against it. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Resort (https://brandsweets.com/palettes/light#resort), Polaroid (https://brandsweets.com/palettes/light#polaroid). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 1.94:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #21827b (4.62:1); AA: background → #4a4a4a (4.58:1); AAA: text → #19615c (7.23:1); AAA: background → #2e2e2e (7.01:1)
- On black (#000000): 10.84:1 — 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/40cec4-a2bdbe-d4599d-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: "#40cec4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.