# #40ce9f

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

## Values

- Hex: `#40ce9f`
- RGB: rgb(64, 206, 159)
- HSL: hsl(160, 59%, 53%)
- OKLCH: oklch(0.764 0.139 166.6)
- Relative luminance: 0.4774
- Nearest named color: mediumaquamarine (#66cdaa, Δ 3.158) — https://brandsweets.com/colors/mediumaquamarine
- Moods: neutral
- Page: https://brandsweets.com/colors/40ce9f

## Tints & shades

- Tints (toward white): #55d3a9, #65d7b1, #79dcbb, #89e1c4, #9ee6ce, #aeead6, #c2efe0, #d2f3e8, #e7f9f3, #f7fdfb
- Shades (toward black): #32c392, #2dae83, #289a74, #238665, #1e7658, #196149, #144d3a, #0f392b, #09241b, #04100c

## Harmonies

- Complementary: #ce4070
- Analogous: #40ce58, #40b6ce
- Triadic: #9f40ce, #ce9f40
- Split-complementary: #ce40b6, #ce5840
- Tetradic: #5840ce, #ce4070, #b6ce40

## Colors that go with #40ce9f

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 #40ce9f: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Hot Pink** #ff69b4 [harmony, pool: complementary] — Hot Pink sits directly opposite #40ce9f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/hotpink
- **Blue** #0000ff [pool] — 5 real palettes, including Unity's brand system and Canva's brand system put Blue beside #40ce9f, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Canva (https://brandsweets.com/colors/brands/canva-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #40ce9f in 4 real palettes, including Tiffany & Co.'s brand system and DuckDuckGo's brand system, as the supporting colour. Seen in: Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Riot Games (https://brandsweets.com/colors/brands/riotgames-com). — https://brandsweets.com/colors/crimson
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Fresh Juice and Crayon Box put Mustard Yellow beside #40ce9f, as the supporting colour. Seen in: Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Meadow (https://brandsweets.com/palettes/light#meadow), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/mustard
- **Taupe** #483c32 [pool] — Taupe is paired with #40ce9f in 19 real palettes, including Chime's brand system and Crayon Box, as the lead colour. Seen in: Chime (https://brandsweets.com/colors/brands/chime-com), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #40ce9f: 4 real palettes, including Resort and Mint Chip, as the accent. Seen in: Resort (https://brandsweets.com/palettes/light#resort), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Oatly (https://brandsweets.com/colors/brands/oatly-com). — https://brandsweets.com/colors/wheat
- **Light Coral** #f08080 [harmony, pool: split] — Light Coral is a split-complement of #40ce9f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/lightcoral

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

- On white (#ffffff): 1.99:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #218262 (4.74:1); AA: background → #474747 (4.67:1); AAA: text → #196149 (7.38:1); AAA: background → #2b2b2b (7.11:1)
- On black (#000000): 10.55:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Docker** — accent #34d399 (Δ 1.925) — https://brandsweets.com/colors/brands/docker-com

## Curated palettes containing it

- **Ledger Dark** (dark, luxury, technical) — #c9a227, #7c8aa5, #34d399, #0c1222, #e8edf5 — Gold on midnight is the private-banking cue; the mint accent keeps it from feeling old-money stuffy. — tool: https://brandsweets.com/palettes/new/c9a227-7c8aa5-34d399-0c1222-e8edf5 — collection: https://brandsweets.com/palettes/dark

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/40ce9f-a2beb8-d459be-1f2c2d-e9f1eb?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: "#40ce9f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.