# #39efe6

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

## Values

- Hex: `#39efe6`
- RGB: rgb(57, 239, 230)
- HSL: hsl(177, 85%, 58%)
- OKLCH: oklch(0.864 0.139 189.8)
- Relative luminance: 0.6832
- Nearest named color: Frozen Boubble (#00eedd, Δ 1.794) — https://brandsweets.com/colors/frozen-boubble
- Moods: vivid
- Page: https://brandsweets.com/colors/39efe6

## Tints & shades

- Tints (toward white): #4cf0e8, #5ff2eb, #71f4ed, #84f5ef, #97f7f2, #aaf8f4, #bdfaf7, #d0fbf9, #e3fdfb, #f6fefe
- Shades (toward black): #21ede3, #12ded4, #10c6bd, #0eaaa2, #0c928c, #0a7b75, #085e5a, #064744, #032a29, #021312

## Harmonies

- Complementary: #ef3942
- Analogous: #39ef8b, #399def
- Triadic: #e639ef, #efe639
- Split-complementary: #ef399d, #ef8b39
- Tetradic: #8b39ef, #ef3942, #9def39

## Colors that go with #39efe6

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 #39efe6: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Canopy (https://brandsweets.com/palettes/cool#canopy), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #39efe6's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #39efe6 in 8 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), Boeing (https://brandsweets.com/colors/brands/boeing-com), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/taupe
- **Light Coral** #f08080 [harmony: complementary] — Light Coral sits directly opposite #39efe6 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/lightcoral
- **Crimson** #dc143c [pool] — Crimson is paired with #39efe6 in 3 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). — https://brandsweets.com/colors/crimson
- **Light Pink** #ffb6c1 [pool] — Light Pink shows up next to #39efe6 in 3 real palettes, including Macaron and Pastel Pop, as the lead colour. Seen in: Macaron (https://brandsweets.com/palettes/light#macaron), Pastel Pop (https://brandsweets.com/palettes/playful#pastel-pop), Sorbet (https://brandsweets.com/palettes/light#sorbet). — https://brandsweets.com/colors/lightpink
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #39efe6: 3 real palettes, including Mint Chip and Oatly's brand system, as the accent. Seen in: Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Oatly (https://brandsweets.com/colors/brands/oatly-com), Sorbet (https://brandsweets.com/palettes/light#sorbet). — https://brandsweets.com/colors/wheat
- **Goldenrod** #daa520 [harmony, pool: triadic] — Goldenrod completes a triad with #39efe6 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark). — https://brandsweets.com/colors/goldenrod

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

- On white (#ffffff): 1.43:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0b847e (4.55:1); AA: background → #5e5e5e (4.53:1); AAA: text → #08635f (7.09:1); AAA: background → #424242 (7.02:1)
- On black (#000000): 14.66:1 — 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/39efe6-a2bcbe-d4599b-1f282d-e9f1ed?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: "#39efe6" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.