# #63d4bf

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

## Values

- Hex: `#63d4bf`
- RGB: rgb(99, 212, 191)
- HSL: hsl(169, 57%, 61%)
- OKLCH: oklch(0.798 0.108 179.5)
- Relative luminance: 0.535
- Nearest named color: Hidden Sea Glass (#6fd1c9, Δ 2.159) — https://brandsweets.com/colors/hidden-sea-glass
- Moods: neutral
- Page: https://brandsweets.com/colors/63d4bf

## Tints & shades

- Tints (toward white): #73d9c6, #7fdccb, #8fe0d1, #9fe5d8, #afe9de, #bbece3, #cbf1ea, #dbf5f0, #e7f8f5, #f7fdfc
- Shades (toward black): #4bceb6, #37c8ae, #30b099, #2a9884, #248473, #1e6c5e, #175449, #103c34, #0b2823, #04100e

## Harmonies

- Complementary: #d46378
- Analogous: #63d487, #63b0d4
- Triadic: #bf63d4, #d4bf63
- Split-complementary: #d463b0, #d48763
- Tetradic: #8763d4, #d46378, #b0d463

## Colors that go with #63d4bf

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 #63d4bf: 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), UEFA (https://brandsweets.com/colors/brands/uefa-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #63d4bf in 4 real palettes, including Tiffany & Co.'s brand system and Frost & Ember, as the supporting colour. Seen in: Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Riot Games (https://brandsweets.com/colors/brands/riotgames-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #63d4bf: 5 real palettes, including Astro's brand system and Salesforce's brand system, as the supporting colour. 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), Max (https://brandsweets.com/colors/brands/max-com). — https://brandsweets.com/colors/deepskyblue
- **Slate Gray** #708090 [pool] — 7 real palettes, including Ledger Dark and Still Water put Slate Gray beside #63d4bf, as the supporting colour. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Still Water (https://brandsweets.com/palettes/cool#still-water), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono). — https://brandsweets.com/colors/slategray
- **Taupe** #483c32 [pool] — Taupe is paired with #63d4bf in 21 real palettes, including Crayon Box and Mint Chip, as the text colour against it. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Blossom (https://brandsweets.com/palettes/light#blossom). — https://brandsweets.com/colors/taupe
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #63d4bf: 5 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), Still Water (https://brandsweets.com/palettes/cool#still-water), Resort (https://brandsweets.com/palettes/light#resort). — https://brandsweets.com/colors/wheat
- **Light Coral** #f08080 [harmony: complementary] — Light Coral sits directly opposite #63d4bf 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
- **Dark Salmon** #e9967a [harmony, pool: split] — Dark Salmon is a split-complement of #63d4bf: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/darksalmon

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

- On white (#ffffff): 1.79:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #248473 (4.54:1); AA: background → #4f4f4f (4.56:1); AAA: text → #1a6053 (7.39:1); AAA: background → #333333 (7.04:1)
- On black (#000000): 11.7:1 — 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/63d4bf-a2bebc-d459ab-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: "#63d4bf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.