# #4ea5a6

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

## Values

- Hex: `#4ea5a6`
- RGB: rgb(78, 165, 166)
- HSL: hsl(181, 36%, 48%)
- OKLCH: oklch(0.669 0.084 196.4)
- Relative luminance: 0.3128
- Nearest named color: Atlas Cedar (#5ca0a7, Δ 1.817) — https://brandsweets.com/colors/atlas-cedar
- Moods: cool, modern
- Page: https://brandsweets.com/colors/4ea5a6

## Tints & shades

- Tints (toward white): #5cb1b2, #6db9ba, #7fc1c3, #90cacb, #a1d2d3, #b3dadb, #c4e3e3, #d5ebeb, #e7f3f4, #f8fcfc
- Shades (toward black): #489799, #408687, #397879, #316768, #2a595a, #244c4c, #1c3a3b, #152d2d, #0d1b1c, #070e0e

## Harmonies

- Complementary: #a6504e
- Analogous: #4ea67c, #4e79a6
- Triadic: #a64ea5, #a5a64e
- Split-complementary: #a64e79, #a67c4e
- Tetradic: #7c4ea6, #a6504e, #79a64e

## Colors that go with #4ea5a6

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 #4ea5a6: softer than #000 and cool enough to feel like part of the same palette. Seen in: N26 (https://brandsweets.com/colors/brands/n26-com), Coastal (https://brandsweets.com/palettes/cool#coastal), Lido (https://brandsweets.com/palettes/vivid#lido), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Terracotta** #e2725b [harmony, pool: complementary] — Terracotta sits directly opposite #4ea5a6 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Alpine (https://brandsweets.com/palettes/cool#alpine), Resort (https://brandsweets.com/palettes/light#resort). — https://brandsweets.com/colors/terracotta
- **Burlywood** #deb887 [pool] — Burlywood is paired with #4ea5a6 in 4 real palettes, including Coastal and Polaroid, as the accent. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Polaroid (https://brandsweets.com/palettes/light#polaroid), Kiln (https://brandsweets.com/palettes/dark#kiln), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/burlywood
- **Copper** #b87333 [pool] — Designers have shipped Copper with #4ea5a6: 5 real palettes, including Dusk and Clean Beauty, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Atelier (https://brandsweets.com/palettes/elegant#atelier), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #4ea5a6 in 4 real palettes, including Diner and Riot Games's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Riot Games (https://brandsweets.com/colors/brands/riotgames-com), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #4ea5a6 in 4 real palettes, including Oatmeal and Undergrowth, as the lead colour. Seen in: Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), 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 #4ea5a6: 5 real palettes, including Peacock and Open House, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Ford's brand system and Confluent's brand system put Midnight Blue beside #4ea5a6, as the lead colour. Seen in: Ford (https://brandsweets.com/colors/brands/ford-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), SoFi (https://brandsweets.com/colors/brands/sofi-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 2.89:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3c7f80 (4.63:1); AA: background → #303030 (4.56:1); AAA: text → #2e6061 (7.09:1); AAA: background → #050505 (7.04:1)
- On black (#000000): 7.26:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- 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/4ea5a6-a2babe-d45992-1f272d-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: "#4ea5a6" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.