# #51cdac

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

## Values

- Hex: `#51cdac`
- RGB: rgb(81, 205, 172)
- HSL: hsl(164, 55%, 56%)
- OKLCH: oklch(0.77 0.121 172.4)
- Relative luminance: 0.4839
- Nearest named color: mediumaquamarine (#66cdaa, Δ 1.464) — https://brandsweets.com/colors/mediumaquamarine
- Moods: neutral
- Page: https://brandsweets.com/colors/51cdac

## Tints & shades

- Tints (toward white): #61d1b3, #71d6bb, #84dbc4, #94e0cc, #a4e5d3, #b4e9db, #c4eee3, #d7f4ec, #e7f8f4, #f7fdfb
- Shades (toward black): #3dc7a2, #35b693, #2e9e80, #288a70, #227760, #1d6350, #174f40, #10372d, #0a241d, #05100d

## Harmonies

- Complementary: #cd5172
- Analogous: #51cd6e, #51b0cd
- Triadic: #ac51cd, #cdac51
- Split-complementary: #cd51b0, #cd6e51
- Tetradic: #6e51cd, #cd5172, #b0cd51

## Colors that go with #51cdac

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 #51cdac: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Canopy (https://brandsweets.com/palettes/cool#canopy), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/charcoal
- **Hot Pink** #ff69b4 [harmony, pool: complementary] — Hot Pink sits directly opposite #51cdac 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] — 4 real palettes, including Canva's brand system and Unity's brand system put Blue beside #51cdac, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Unity (https://brandsweets.com/colors/brands/unity-com), Uber (https://brandsweets.com/colors/brands/uber-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #51cdac in 5 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), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com). — https://brandsweets.com/colors/crimson
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Fresh Juice and Crayon Box put Mustard Yellow beside #51cdac, 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
- **Sandy Brown** #f4a460 [harmony, pool: triadic] — Sandy Brown completes a triad with #51cdac — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Ubereats (https://brandsweets.com/colors/brands/ubereats-com), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/sandybrown
- **Taupe** #483c32 [pool] — Taupe is paired with #51cdac in 22 real palettes, including Crayon Box and Rain Garden, as the text colour against it. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Resort (https://brandsweets.com/palettes/light#resort), Chime (https://brandsweets.com/colors/brands/chime-com). — https://brandsweets.com/colors/taupe
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #51cdac: 5 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), Oatly (https://brandsweets.com/colors/brands/oatly-com), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch). — https://brandsweets.com/colors/wheat

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

- On white (#ffffff): 1.97:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #26826a (4.68:1); AA: background → #4a4a4a (4.51:1); AAA: text → #1d6350 (7.11:1); AAA: background → #2b2b2b (7.2:1)
- On black (#000000): 10.68:1 — 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/51cdac-a2beba-d459b5-1f2b2d-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: "#51cdac" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.