# #57efce

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

## Values

- Hex: `#57efce`
- RGB: rgb(87, 239, 206)
- HSL: hsl(167, 83%, 64%)
- OKLCH: oklch(0.863 0.137 175.7)
- Relative luminance: 0.6822
- Nearest named color: Aphrodite Aqua (#45e9c1, Δ 2.498) — https://brandsweets.com/colors/aphrodite-aqua
- Moods: vivid
- Page: https://brandsweets.com/colors/57efce

## Tints & shades

- Tints (toward white): #65f1d2, #78f2d8, #86f4dc, #98f5e1, #a6f7e5, #b4f8e9, #c7faef, #d5fbf3, #e8fdf8, #f6fefc
- Shades (toward black): #3bedc6, #1feabe, #14d7ac, #11bb96, #0f9f7f, #0c8369, #0a6752, #074b3c, #042f25, #02130f

## Harmonies

- Complementary: #ef5778
- Analogous: #57ef82, #57c4ef
- Triadic: #ce57ef, #efce57
- Split-complementary: #ef57c4, #ef8257
- Tetradic: #8257ef, #ef5778, #c4ef57

## Colors that go with #57efce

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 #57efce: softer than #000 and cool enough to feel like part of the same palette. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Docker (https://brandsweets.com/colors/brands/docker-com), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #57efce 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 #57efce: 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 #57efce 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), Blossom (https://brandsweets.com/palettes/light#blossom), Macaron (https://brandsweets.com/palettes/light#macaron). — https://brandsweets.com/colors/taupe
- **Hot Pink** #ff69b4 [harmony: complementary] — Hot Pink sits directly opposite #57efce 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 #57efce — 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 #57efce 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
- **Violet** #ee82ee [harmony: split] — Violet is a split-complement of #57efce: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/violet

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

- On white (#ffffff): 1.43:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0c8369 (4.7:1); AA: background → #5e5e5e (4.52:1); AAA: text → #09624f (7.31:1); AAA: background → #424242 (7.01:1)
- On black (#000000): 14.64:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Astro** — accent #4bf3c8 (Δ 1.691) — https://brandsweets.com/colors/brands/astro-build
- **Formula 1** — primary #27f4d2 (Δ 1.956) — https://brandsweets.com/colors/brands/formula1-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/57efce-a2bebb-d459af-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: "#57efce" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.