# #51eccd

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

## Values

- Hex: `#51eccd`
- RGB: rgb(81, 236, 205)
- HSL: hsl(168, 80%, 62%)
- OKLCH: oklch(0.854 0.137 176.8)
- Relative luminance: 0.6615
- Nearest named color: Aphrodite Aqua (#45e9c1, Δ 1.881) — https://brandsweets.com/colors/aphrodite-aqua
- Moods: vivid
- Page: https://brandsweets.com/colors/51eccd

## Tints & shades

- Tints (toward white): #63eed2, #71efd6, #83f1db, #91f3df, #a3f5e4, #b6f7ea, #c3f8ee, #d6faf3, #e3fcf7, #f6fefc
- Shades (toward black): #35e9c5, #19e6bd, #17cfaa, #14b393, #11977d, #0e7c66, #0b604f, #08493c, #052e26, #02120f

## Harmonies

- Complementary: #ec5170
- Analogous: #51ec7f, #51bdec
- Triadic: #cd51ec, #eccd51
- Split-complementary: #ec51bd, #ec7f51
- Tetradic: #7f51ec, #ec5170, #bdec51

## Colors that go with #51eccd

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 #51eccd: softer than #000 and cool enough to feel like part of the same palette. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Docker (https://brandsweets.com/colors/brands/docker-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #51eccd in 4 real palettes, including Formula 1's brand system and Tiffany & Co.'s brand system, as the supporting colour. Seen in: Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #51eccd: 4 real palettes, including Astro's brand system and Prime Video's brand system, as the supporting colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Remix (https://brandsweets.com/colors/brands/remix-run), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #51eccd in 9 real palettes, including Astro's brand system and Mint Chip, as the text colour against it. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Blossom (https://brandsweets.com/palettes/light#blossom). — https://brandsweets.com/colors/taupe
- **Hot Pink** #ff69b4 [harmony: complementary] — Hot Pink sits directly opposite #51eccd 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/hotpink
- **Plum** #dda0dd [harmony, pool: triadic] — Plum completes a triad with #51eccd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Blossom (https://brandsweets.com/palettes/light#blossom), Netlify (https://brandsweets.com/colors/brands/netlify-com). — https://brandsweets.com/colors/plum
- **Red** #ff0000 [pool] — Red is paired with #51eccd in 3 real palettes, including Mattel's brand system and Gatorade's brand system, as the supporting colour. Seen in: Mattel (https://brandsweets.com/colors/brands/mattel-com), Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/red
- **Salmon** #fa8072 [harmony: split] — Salmon is a split-complement of #51eccd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/salmon

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

- On white (#ffffff): 1.48:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0f856d (4.57:1); AA: background → #5c5c5c (4.53:1); AAA: text → #0b604f (7.5:1); AAA: background → #404040 (7.03:1)
- On black (#000000): 14.23:1 — 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/51eccd-a2bebc-d459ad-1f2a2d-e9f1ec?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: "#51eccd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.