# #53ebf9

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#53ebf9`
- RGB: rgb(83, 235, 249)
- HSL: hsl(185, 93%, 65%)
- OKLCH: oklch(0.866 0.127 203.9)
- Relative luminance: 0.681
- Nearest named color: Aqua (#0ff0fe, Δ 2.092) — https://brandsweets.com/colors/aqua-2
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/53ebf9

## Tints & shades

- Tints (toward white): #62edf9, #75effa, #84f1fb, #93f2fb, #a6f5fc, #b5f6fc, #c4f8fd, #d3fafd, #e6fcfe, #f5feff
- Shades (toward black): #35e7f8, #18e4f7, #08d5e7, #07baca, #069eac, #057f8a, #04646c, #03484f, #022d31, #011214

## Harmonies

- Complementary: #f96153
- Analogous: #53f9b4, #5398f9
- Triadic: #f953eb, #ebf953
- Split-complementary: #f95398, #f9b453
- Tetradic: #b453f9, #f96153, #98f953

## Colors that go with #53ebf9

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 #53ebf9: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #53ebf9'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), Astro (https://brandsweets.com/colors/brands/astro-build), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Calendly (https://brandsweets.com/colors/brands/calendly-com). — https://brandsweets.com/colors/deepskyblue
- **Light Coral** #f08080 [harmony, pool: complementary] — Light Coral sits directly opposite #53ebf9 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Sentry (https://brandsweets.com/colors/brands/sentry-io). — https://brandsweets.com/colors/lightcoral
- **Crimson** #dc143c [pool] — Crimson is paired with #53ebf9 in 4 real palettes, including Tiffany & Co.'s brand system and Formula 1's brand system, as the supporting colour. Seen in: Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Riot Games (https://brandsweets.com/colors/brands/riotgames-com). — https://brandsweets.com/colors/crimson
- **Taupe** #483c32 [pool] — Taupe is paired with #53ebf9 in 11 real palettes, including Boeing's brand system and Macaron, as the text colour against it. Seen in: Boeing (https://brandsweets.com/colors/brands/boeing-com), Macaron (https://brandsweets.com/palettes/light#macaron), Nursery (https://brandsweets.com/palettes/light#nursery), Mint Chip (https://brandsweets.com/palettes/light#mint-chip). — https://brandsweets.com/colors/taupe
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #53ebf9: 4 real palettes, including Mint Chip and Sorbet, as the accent. Seen in: Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Sorbet (https://brandsweets.com/palettes/light#sorbet), Oatly (https://brandsweets.com/colors/brands/oatly-com), Still Water (https://brandsweets.com/palettes/cool#still-water). — https://brandsweets.com/colors/wheat
- **Dark Orange** #ff8c00 [harmony, pool: split] — Dark Orange is a split-complement of #53ebf9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: PayPal (https://brandsweets.com/colors/brands/paypal-com). — https://brandsweets.com/colors/darkorange
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #53ebf9: 3 real palettes, including Bluesky Social's brand system and Opensea's brand system, as the lead colour. Seen in: Bluesky Social (https://brandsweets.com/colors/brands/bsky-app), Opensea (https://brandsweets.com/colors/brands/opensea-io), Patreon (https://brandsweets.com/colors/brands/patreon-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 1.44:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #05838f (4.52:1); AA: background → #5e5e5e (4.51:1); AAA: text → #045f67 (7.4:1); AAA: background → #404040 (7.22:1)
- On black (#000000): 14.62:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/53ebf9-a2b8be-df4e88-1f262d-e9f1ee?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: "#53ebf9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.