# #45a19e

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

## Values

- Hex: `#45a19e`
- RGB: rgb(69, 161, 158)
- HSL: hsl(178, 40%, 45%)
- OKLCH: oklch(0.653 0.087 192.3)
- Relative luminance: 0.2922
- Nearest named color: Baltic (#279d9f, Δ 2.278) — https://brandsweets.com/colors/baltic
- Moods: neutral
- Page: https://brandsweets.com/colors/45a19e

## Tints & shades

- Tints (toward white): #4db3af, #62bcb9, #74c3c1, #86cbc9, #9bd4d2, #addcda, #bfe3e2, #d1ebea, #e6f4f4, #f8fcfc
- Shades (toward black): #3f9290, #398482, #327674, #2c6866, #265958, #1f4746, #183938, #122b2a, #0c1d1c, #060e0e

## Harmonies

- Complementary: #a14548
- Analogous: #45a170, #4576a1
- Triadic: #9e45a1, #a19e45
- Split-complementary: #a14576, #a17045
- Tetradic: #7045a1, #a14548, #76a145

## Colors that go with #45a19e

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 #45a19e: softer than #000 and cool enough to feel like part of the same palette. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), N26 (https://brandsweets.com/colors/brands/n26-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [pool] — Designers have shipped Copper with #45a19e: 6 real palettes, including Clean Beauty and Dusk, as the accent. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Dusk (https://brandsweets.com/palettes/cool#dusk), Atelier (https://brandsweets.com/palettes/elegant#atelier), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #45a19e in 5 real palettes, including Diner and Redfin's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Redfin (https://brandsweets.com/colors/brands/redfin-com), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #45a19e in 4 real palettes, including Undergrowth and Oatmeal, as the supporting colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #45a19e: 5 real palettes, including Peacock and Dusk, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Ford's brand system and Tide Pool put Midnight Blue beside #45a19e, as the lead colour. Seen in: Ford (https://brandsweets.com/colors/brands/ford-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), SoFi (https://brandsweets.com/colors/brands/sofi-com), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #45a19e: 4 real palettes, including Ink Wash and First Snow, as the lead colour. Seen in: Ink Wash (https://brandsweets.com/palettes/dark#ink-wash), First Snow (https://brandsweets.com/palettes/cool#first-snow), Stone (https://brandsweets.com/palettes/neutral#stone), Crypto.com (https://brandsweets.com/colors/brands/crypto-com). — https://brandsweets.com/colors/powderblue
- **Pale Violet Red** #db7093 [harmony: complementary] — Pale Violet Red sits directly opposite #45a19e 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/palevioletred

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

- On white (#ffffff): 3.07:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #37817e (4.56:1); AA: background → #2b2b2b (4.61:1); AAA: text → #29605f (7.16:1)
- On black (#000000): 6.84:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #46a4a1 (7.09:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/45a19e-a2bcbe-d45999-1f282d-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: "#45a19e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.