# #45d2f2

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

## Values

- Hex: `#45d2f2`
- RGB: rgb(69, 210, 242)
- HSL: hsl(191, 87%, 61%)
- OKLCH: oklch(0.802 0.125 216.4)
- Relative luminance: 0.5377
- Nearest named color: Sky Blue (#87ceeb, Δ 4.781) — https://brandsweets.com/colors/skyblue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/45d2f2

## Tints & shades

- Tints (toward white): #58d7f3, #66daf4, #79dff6, #8de4f7, #a0e8f8, #aeecf9, #c1f0fb, #d4f5fc, #e2f8fd, #f5fdfe
- Shades (toward black): #28cbf0, #11c6ee, #0faed2, #0d96b5, #0b839d, #096b81, #075364, #053b48, #032830, #011013

## Harmonies

- Complementary: #f26545
- Analogous: #45f2bb, #457cf2
- Triadic: #f245d2, #d2f245
- Split-complementary: #f2457c, #f2bb45
- Tetradic: #bb45f2, #f26545, #7cf245

## Colors that go with #45d2f2

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 #45d2f2: softer than #000 and cool enough to feel like part of the same palette. Seen in: Vimeo (https://brandsweets.com/colors/brands/vimeo-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Dark Salmon** #e9967a [harmony, pool: complementary] — Dark Salmon sits directly opposite #45d2f2 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid). — https://brandsweets.com/colors/darksalmon
- **Crimson** #dc143c [pool] — Crimson is paired with #45d2f2 in 5 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), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), JBL (https://brandsweets.com/colors/brands/jbl-com). — https://brandsweets.com/colors/crimson
- **Dark Orange** #ff8c00 [harmony, pool: split] — Dark Orange is a split-complement of #45d2f2: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: PayPal (https://brandsweets.com/colors/brands/paypal-com), Learning App (https://brandsweets.com/palettes/playful#learning-app), Elastic (https://brandsweets.com/colors/brands/elastic-co). — https://brandsweets.com/colors/darkorange
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #45d2f2: 5 real palettes, including Patreon's brand system and Opensea's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Opensea (https://brandsweets.com/colors/brands/opensea-io), Figma (https://brandsweets.com/colors/brands/figma), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Telehealth and Kraken's brand system put Midnight Blue beside #45d2f2, as the text colour against it. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), Kraken (https://brandsweets.com/colors/brands/kraken-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #45d2f2: 4 real palettes, including Audible's brand system and Steam's brand system, as the supporting colour. Seen in: Audible (https://brandsweets.com/colors/brands/audible-com), Steam (https://brandsweets.com/colors/brands/steampowered-com), Calendly (https://brandsweets.com/colors/brands/calendly-com), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #45d2f2 in 5 real palettes, including Telehealth and 1password's brand system, as the lead colour. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), 1password (https://brandsweets.com/colors/brands/1password-com), NBA (https://brandsweets.com/colors/brands/nba-com), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 1.79:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0b7f99 (4.66:1); AA: background → #4f4f4f (4.58:1); AAA: text → #085f72 (7.27:1); AAA: background → #333333 (7.07:1)
- On black (#000000): 11.75:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Vimeo** — primary #14d3fb (Δ 1.784) — https://brandsweets.com/colors/brands/vimeo-com
- **Twilio** — primary #3acefa (Δ 1.91) — https://brandsweets.com/colors/brands/twilio-com
- **Twilio** — secondary #3acefa (Δ 1.91) — https://brandsweets.com/colors/brands/twilio-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/45d2f2-a2b6be-df4e7a-1f252d-e9f1ef?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: "#45d2f2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.