# #40b05e

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

## Values

- Hex: `#40b05e`
- RGB: rgb(64, 176, 94)
- HSL: hsl(136, 47%, 47%)
- OKLCH: oklch(0.674 0.156 149.1)
- Relative luminance: 0.3295
- Nearest named color: Green Mana (#26b467, Δ 1.486) — https://brandsweets.com/colors/green-mana
- Moods: neutral
- Page: https://brandsweets.com/colors/40b05e

## Tints & shades

- Tints (toward white): #4bbe6a, #5ec579, #71cc89, #83d298, #9adbab, #ade1bb, #bfe8ca, #d2efda, #e5f6e9, #f8fcf9
- Shades (toward black): #3aa156, #338e4c, #2e7f44, #29703c, #236134, #1c4f2a, #174022, #12311a, #0b1e10, #050f08

## Harmonies

- Complementary: #b04092
- Analogous: #5ab040, #40b096
- Triadic: #5e40b0, #b05e40
- Split-complementary: #9640b0, #b0405a
- Tetradic: #405ab0, #b04092, #b09640

## Colors that go with #40b05e

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 body-text near-black for #40b05e: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Zendesk (https://brandsweets.com/colors/brands/zendesk-com), N26 (https://brandsweets.com/colors/brands/n26-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Meadow and Citrus Grove put Mustard Yellow beside #40b05e, as the supporting colour. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Diner (https://brandsweets.com/palettes/vivid#diner), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #40b05e in 5 real palettes, including Console Light and Telehealth, as the lead colour. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #40b05e in 11 real palettes, including Chime's brand system and Obsidian's brand system, as the lead colour. Seen in: Chime (https://brandsweets.com/colors/brands/chime-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/taupe
- **Fuchsia** #ff00ff [harmony: complementary] — Fuchsia sits directly opposite #40b05e 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/fuchsia
- **Medium Purple** #9370db [harmony, pool: split] — Medium Purple is a split-complement of #40b05e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/mediumpurple
- **Blue** #0000ff [pool] — 3 real palettes, including Spotify's brand system and Unity's brand system put Blue beside #40b05e, as the accent. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Unity (https://brandsweets.com/colors/brands/unity-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #40b05e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/cornflowerblue

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

- On white (#ffffff): 2.77:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2f8346 (4.71:1); AA: background → #333333 (4.57:1); AAA: text → #246536 (7.02:1); AAA: background → #0d0d0d (7.02:1)
- On black (#000000): 7.59:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **DuckDuckGo** — accent #38b26a (Δ 1.343) — https://brandsweets.com/colors/brands/duckduckgo-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/40b05e-a2bead-b959d4-1f2d29-ebf1e9?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: "#40b05e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.