# #4defbf

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

## Values

- Hex: `#4defbf`
- RGB: rgb(77, 239, 191)
- HSL: hsl(162, 84%, 62%)
- OKLCH: oklch(0.857 0.15 169.1)
- Relative luminance: 0.6707
- Nearest named color: Aphrodite Aqua (#45e9c1, Δ 1.892) — https://brandsweets.com/colors/aphrodite-aqua
- Moods: vivid
- Page: https://brandsweets.com/colors/4defbf

## Tints & shades

- Tints (toward white): #5ff1c5, #6ef2cb, #80f4d1, #8ef5d6, #a1f7dd, #b4f8e4, #c2fae9, #d5fbf0, #e3fdf5, #f6fefc
- Shades (toward black): #31edb4, #14ebaa, #12d399, #10b785, #0d9b70, #0b7f5c, #096348, #074b37, #042f22, #02130e

## Harmonies

- Complementary: #ef4d7e
- Analogous: #4def6d, #4dcfef
- Triadic: #bf4def, #efbf4d
- Split-complementary: #ef4dcf, #ef6d4d
- Tetradic: #6d4def, #ef4d7e, #cfef4d

## Colors that go with #4defbf

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 #4defbf: 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 #4defbf 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), Wise (https://brandsweets.com/colors/brands/wise-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Taupe** #483c32 [pool] — Taupe is paired with #4defbf in 7 real palettes, including Astro's brand system and 7-Eleven's brand system, as the text colour against it. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Blossom (https://brandsweets.com/palettes/light#blossom). — https://brandsweets.com/colors/taupe
- **Hot Pink** #ff69b4 [harmony: complementary] — Hot Pink sits directly opposite #4defbf 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
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #4defbf: 3 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). — https://brandsweets.com/colors/deepskyblue
- **Red** #ff0000 [pool] — Red is paired with #4defbf in 3 real palettes, including Gatorade's brand system and Wise's brand system, as the supporting colour. Seen in: Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Wise (https://brandsweets.com/colors/brands/wise-com), Mattel (https://brandsweets.com/colors/brands/mattel-com). — https://brandsweets.com/colors/red
- **Light Coral** #f08080 [harmony: split] — Light Coral is a split-complement of #4defbf: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lightcoral
- **Violet** #ee82ee [harmony: split] — Violet is a split-complement of #4defbf: 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): 1.46:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0b835f (4.74:1); AA: background → #5c5c5c (4.59:1); AAA: text → #096348 (7.27:1); AAA: background → #404040 (7.12:1)
- On black (#000000): 14.41:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Astro** — accent #4bf3c8 (Δ 1.362) — https://brandsweets.com/colors/brands/astro-build

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/4defbf-a2beb9-d459b9-1f2b2d-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: "#4defbf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.