# #63bbaf

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

## Values

- Hex: `#63bbaf`
- RGB: rgb(99, 187, 175)
- HSL: hsl(172, 39%, 56%)
- OKLCH: oklch(0.734 0.087 184.1)
- Relative luminance: 0.4129
- Nearest named color: Emerald Bliss (#4cbdac, Δ 1.904) — https://brandsweets.com/colors/emerald-bliss
- Moods: neutral
- Page: https://brandsweets.com/colors/63bbaf

## Tints & shades

- Tints (toward white): #71c1b6, #7fc7bd, #91cfc7, #9fd5ce, #addbd5, #bce1dc, #cae8e4, #dcefed, #eaf6f4, #f8fcfb
- Shades (toward black): #51b3a6, #48a397, #3e8e83, #367c73, #2f6a62, #275952, #1f4742, #16322e, #0e201e, #060e0d

## Harmonies

- Complementary: #bb636f
- Analogous: #63bb83, #639abb
- Triadic: #af63bb, #bbaf63
- Split-complementary: #bb639a, #bb8363
- Tetradic: #8363bb, #bb636f, #9abb63

## Colors that go with #63bbaf

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 #63bbaf: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lagoon (https://brandsweets.com/palettes/vivid#lagoon), N26 (https://brandsweets.com/colors/brands/n26-com), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 5 real palettes, including Canva's brand system and Unity's brand system put Blue beside #63bbaf, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Unity (https://brandsweets.com/colors/brands/unity-com), Uber (https://brandsweets.com/colors/brands/uber-com), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #63bbaf in 4 real palettes, including Riot Games's brand system and Tiffany & Co.'s brand system, as the supporting colour. Seen in: Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #63bbaf in 5 real palettes, including Undergrowth and Forest Floor, as the supporting colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #63bbaf: 4 real palettes, including Open House and Coca-Cola's brand system, as the lead colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Dusk (https://brandsweets.com/palettes/cool#dusk), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #63bbaf: 4 real palettes, including Unity's brand system and Patreon's brand system, as the lead colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Patreon (https://brandsweets.com/colors/brands/patreon-com), Opensea (https://brandsweets.com/colors/brands/opensea-io), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Confluent's brand system and Open House put Midnight Blue beside #63bbaf, as the lead colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Open House (https://brandsweets.com/palettes/clean#open-house), First Snow (https://brandsweets.com/palettes/cool#first-snow), Ford (https://brandsweets.com/colors/brands/ford-com). — https://brandsweets.com/colors/midnightblue
- **Light Coral** #f08080 [harmony: complementary] — Light Coral sits directly opposite #63bbaf 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

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

- On white (#ffffff): 2.27:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #388076 (4.65:1); AA: background → #404040 (4.57:1); AAA: text → #2a6059 (7.2:1); AAA: background → #212121 (7.1:1)
- On black (#000000): 9.26:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Taco Bell** — accent #5cb8b2 (Δ 1.267) — https://brandsweets.com/colors/brands/tacobell-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/63bbaf-a2bebe-d459a5-1f292d-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: "#63bbaf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.