# #40a58a

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

## Values

- Hex: `#40a58a`
- RGB: rgb(64, 165, 138)
- HSL: hsl(164, 44%, 45%)
- OKLCH: oklch(0.655 0.102 172.4)
- Relative luminance: 0.2984
- Nearest named color: Herbal (#29ab87, Δ 2.205) — https://brandsweets.com/colors/herbal
- Moods: neutral
- Page: https://brandsweets.com/colors/40a58a

## Tints & shades

- Tints (toward white): #47b89a, #5dc0a6, #70c7b0, #82ceba, #98d7c6, #abded0, #bde5db, #cfece5, #e5f5f1, #f8fcfb
- Shades (toward black): #3b977e, #358872, #2f7965, #296a59, #245c4d, #1d493d, #173b31, #112c25, #0b1d19, #060f0c

## Harmonies

- Complementary: #a5405b
- Analogous: #40a558, #408ea5
- Triadic: #8a40a5, #a58a40
- Split-complementary: #a5408e, #a55840
- Tetradic: #5840a5, #a5405b, #8ea540

## Colors that go with #40a58a

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 #40a58a: 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), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Unity's brand system and Spotify's brand system put Blue beside #40a58a, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify), Canva (https://brandsweets.com/colors/brands/canva-com), Kia (https://brandsweets.com/colors/brands/kia-com). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #40a58a: 6 real palettes, including Clean Beauty and Wellness, as the accent. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Wellness (https://brandsweets.com/palettes/warm#wellness), Atelier (https://brandsweets.com/palettes/elegant#atelier), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/copper
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #40a58a: 4 real palettes, including Arctic and Spotify's brand system, as the accent. Seen in: Arctic (https://brandsweets.com/palettes/clean#arctic), Spotify (https://brandsweets.com/colors/brands/spotify), Canva (https://brandsweets.com/colors/brands/canva-com), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #40a58a in 6 real palettes, including Diner and DuckDuckGo's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #40a58a in 5 real palettes, including Undergrowth and Forest Floor, as the supporting colour. Seen in: 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), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #40a58a: 7 real palettes, including Peacock and Intel's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/denim
- **Deep Pink** #ff1493 [harmony: complementary] — Deep Pink sits directly opposite #40a58a 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/deeppink

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

- On white (#ffffff): 3.01:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #32816c (4.67:1); AA: background → #2e2e2e (4.51:1); AAA: text → #276353 (7.01:1)
- On black (#000000): 6.97:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #42a98d (7.29:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/40a58a-a2beba-d459b5-1f2b2d-e9f1eb?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: "#40a58a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.