# #45c9bc

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

## Values

- Hex: `#45c9bc`
- RGB: rgb(69, 201, 188)
- HSL: hsl(174, 55%, 53%)
- OKLCH: oklch(0.762 0.115 185.7)
- Relative luminance: 0.4667
- Nearest named color: Cockatoo (#58c8b6, Δ 1.258) — https://brandsweets.com/colors/cockatoo
- Moods: neutral
- Page: https://brandsweets.com/colors/45c9bc

## Tints & shades

- Tints (toward white): #59cfc3, #69d3c9, #7dd9d0, #8cded6, #a0e3dd, #b0e8e2, #c4eeea, #d4f2ef, #e7f8f6, #f7fdfc
- Shades (toward black): #37beb0, #31aa9e, #2c968c, #268279, #21736a, #1c5f58, #164b46, #103733, #0a2421, #05100f

## Harmonies

- Complementary: #c94552
- Analogous: #45c97a, #4594c9
- Triadic: #bc45c9, #c9bc45
- Split-complementary: #c94594, #c97a45
- Tetradic: #7a45c9, #c94552, #94c945

## Colors that go with #45c9bc

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 #45c9bc: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Docker (https://brandsweets.com/colors/brands/docker-com), Canopy (https://brandsweets.com/palettes/cool#canopy), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Unity's brand system put Blue beside #45c9bc, 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 #45c9bc 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), Formula 1 (https://brandsweets.com/colors/brands/formula1-com). — https://brandsweets.com/colors/crimson
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #45c9bc: 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] — 4 real palettes, including Confluent's brand system and Ford's brand system put Midnight Blue beside #45c9bc, as the lead colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Ford (https://brandsweets.com/colors/brands/ford-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #45c9bc in 4 real palettes, including Docker's brand system and Khan Academy's brand system, as the supporting colour. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/royalblue
- **Sandy Brown** #f4a460 [harmony, pool: triadic] — Sandy Brown completes a triad with #45c9bc — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Ubereats (https://brandsweets.com/colors/brands/ubereats-com). — https://brandsweets.com/colors/sandybrown
- **Taupe** #483c32 [pool] — Taupe is paired with #45c9bc in 17 real palettes, including Crayon Box and Resort, as the text colour against it. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Resort (https://brandsweets.com/palettes/light#resort), Polaroid (https://brandsweets.com/palettes/light#polaroid), Mint Chip (https://brandsweets.com/palettes/light#mint-chip). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 2.03:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #268279 (4.61:1); AA: background → #474747 (4.57:1); AAA: text → #1d635c (7.02:1); AAA: background → #292929 (7.16:1)
- On black (#000000): 10.33:1 — 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/45c9bc-a2bebe-d459a1-1f292d-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: "#45c9bc" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.