# #54bbb9

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

## Values

- Hex: `#54bbb9`
- RGB: rgb(84, 187, 185)
- HSL: hsl(179, 43%, 53%)
- OKLCH: oklch(0.731 0.095 193.5)
- Relative luminance: 0.4093
- Nearest named color: Emerald Bliss (#4cbdac, Δ 2.299) — https://brandsweets.com/colors/emerald-bliss
- Moods: neutral
- Page: https://brandsweets.com/colors/54bbb9

## Tints & shades

- Tints (toward white): #66c2c0, #74c8c6, #87cfce, #95d5d4, #a7dcdb, #b6e2e1, #c8e9e9, #d7efef, #e9f6f6, #f8fcfc
- Shades (toward black): #46afad, #3f9d9b, #378b89, #307877, #2a6a69, #235857, #1c4545, #143333, #0d2120, #060f0e

## Harmonies

- Complementary: #bb5455
- Analogous: #54bb85, #5489bb
- Triadic: #b954bb, #bbb954
- Split-complementary: #bb5489, #bb8554
- Tetradic: #8554bb, #bb5455, #89bb54

## Colors that go with #54bbb9

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 #54bbb9: 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), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Unity's brand system put Blue beside #54bbb9, 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 #54bbb9 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), Diner (https://brandsweets.com/palettes/vivid#diner), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #54bbb9 in 5 real palettes, including Warp's brand system and Undergrowth, as the accent. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), 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). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #54bbb9: 5 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), UEFA (https://brandsweets.com/colors/brands/uefa-com), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #54bbb9: 5 real palettes, including Patreon's brand system and Unity's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Unity (https://brandsweets.com/colors/brands/unity-com), Figma (https://brandsweets.com/colors/brands/figma), Opensea (https://brandsweets.com/colors/brands/opensea-io). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Confluent's brand system and Ford's brand system put Midnight Blue beside #54bbb9, as the lead colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Ford (https://brandsweets.com/colors/brands/ford-com), Open House (https://brandsweets.com/palettes/clean#open-house), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/midnightblue
- **Light Coral** #f08080 [harmony: complementary] — Light Coral sits directly opposite #54bbb9 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): 2.29:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #33807e (4.64:1); AA: background → #404040 (4.54:1); AAA: text → #265f5e (7.29:1); AAA: background → #212121 (7.04:1)
- On black (#000000): 9.19:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Taco Bell** — accent #5cb8b2 (Δ 1.123) — 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/54bbb9-a2bbbe-d45996-1f272d-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: "#54bbb9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.