# #45acd9

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#45acd9`
- RGB: rgb(69, 172, 217)
- HSL: hsl(198, 66%, 56%)
- OKLCH: oklch(0.703 0.114 230.4)
- Relative luminance: 0.3578
- Nearest named color: Cousteau (#55a9d6, Δ 1.253) — https://brandsweets.com/colors/cousteau
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/45acd9

## Tints & shades

- Tints (toward white): #56b4dc, #67bbe0, #7cc5e4, #8dcce8, #9ed4eb, #afdbef, #c0e3f2, #d5ecf6, #e6f4fa, #f7fbfd
- Shades (toward black): #30a3d5, #2894c3, #2381a9, #1e7194, #1a617f, #16516a, #114055, #0c2d3b, #081d26, #030d11

## Harmonies

- Complementary: #d97145
- Analogous: #45d9bb, #4562d9
- Triadic: #d945ac, #acd945
- Split-complementary: #d94562, #d9bb45
- Tetradic: #bb45d9, #d97145, #62d945

## Colors that go with #45acd9

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 #45acd9: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Lido (https://brandsweets.com/palettes/vivid#lido), Blizzard (https://brandsweets.com/colors/brands/blizzard-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #45acd9 in 6 real palettes, including Salesforce's brand system and Blueprint, as the accent. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), NBA (https://brandsweets.com/colors/brands/nba-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 5 real palettes, including Warp's brand system and Canva's brand system put Blue beside #45acd9, as the supporting colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Canva (https://brandsweets.com/colors/brands/canva-com), Unity (https://brandsweets.com/colors/brands/unity-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com). — https://brandsweets.com/colors/blue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #45acd9 in 4 real palettes, including Elastic's brand system and Learning App, as the lead colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Learning App (https://brandsweets.com/palettes/playful#learning-app), PayPal (https://brandsweets.com/colors/brands/paypal-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/darkorange
- **Denim** #1560bd [pool] — Designers have shipped Denim with #45acd9: 7 real palettes, including Coca-Cola's brand system and Venmo's brand system, as the accent. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #45acd9: 4 real palettes, including Venmo's brand system and Figma's brand system, as the lead colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Figma (https://brandsweets.com/colors/brands/figma), Patreon (https://brandsweets.com/colors/brands/patreon-com), Opensea (https://brandsweets.com/colors/brands/opensea-io). — https://brandsweets.com/colors/dodgerblue
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #45acd9 in 4 real palettes, including Terminal and Unity's brand system, as the lead colour. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Unity (https://brandsweets.com/colors/brands/unity-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/mediumseagreen
- **Coral** #ff7f50 [harmony: complementary] — Coral sits directly opposite #45acd9 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/coral

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

- On white (#ffffff): 2.57:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #227ea5 (4.57:1); AA: background → #383838 (4.55:1); AAA: text → #195d7b (7.26:1); AAA: background → #141414 (7.15:1)
- On black (#000000): 8.16:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Snowflake AI Data Cloud** — accent #45aee3 (Δ 1.472) — https://brandsweets.com/colors/brands/snowflake-com
- **Lamborghini** — secondary #29abe2 (Δ 1.946) — https://brandsweets.com/colors/brands/lamborghini-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/45acd9-9cb3c4-df4e69-1f232d-e9f1f0?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: "#45acd9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.