# #1bb659

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

## Values

- Hex: `#1bb659`
- RGB: rgb(27, 182, 89)
- HSL: hsl(144, 74%, 41%)
- OKLCH: oklch(0.681 0.179 150.3)
- Relative luminance: 0.3441
- Nearest named color: Intoxicate (#11bb55, Δ 1.64) — https://brandsweets.com/colors/intoxicate
- Moods: vivid
- Page: https://brandsweets.com/colors/1bb659

## Tints & shades

- Tints (toward white): #1fd166, #2adf72, #45e384, #5fe796, #7aeba7, #90eeb6, #abf2c7, #c5f6d9, #dcfae8, #f6fef9
- Shades (toward black): #19a450, #17974a, #148541, #117338, #0f6632, #0d5429, #0a4321, #073118, #052311, #031209

## Harmonies

- Complementary: #b61b78
- Analogous: #2bb61b, #1bb6a6
- Triadic: #591bb6, #b6591b
- Split-complementary: #a61bb6, #b61b2b
- Tetradic: #1b2bb6, #b61b78, #b6a61b

## Colors that go with #1bb659

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 #1bb659: softer than #000 and cool enough to feel like part of the same palette. Seen in: Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #1bb659 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), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #1bb659 in 8 real palettes, including Obsidian's brand system and Chime's brand system, as the text colour against it. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Chime (https://brandsweets.com/colors/brands/chime-com), Meadow (https://brandsweets.com/palettes/light#meadow), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/taupe
- **Fuchsia** #ff00ff [harmony: complementary] — Fuchsia sits directly opposite #1bb659 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
- **Hot Pink** #ff69b4 [harmony, pool: split] — Hot Pink is a split-complement of #1bb659: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/hotpink
- **Medium Purple** #9370db [harmony, pool: split] — Medium Purple is a split-complement of #1bb659: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/mediumpurple
- **Blue** #0000ff [pool] — 3 real palettes, including Spotify's brand system and Unity's brand system put Blue beside #1bb659, 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 #1bb659 — 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): 2.66:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #148541 (4.71:1); AA: background → #363636 (4.54:1); AAA: text → #0f6632 (7.08:1); AAA: background → #121212 (7.03:1)
- On black (#000000): 7.88:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Spotify** — primary #1db954 (Δ 1.163) — https://brandsweets.com/colors/brands/spotify

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/1bb659-a2beb0-ca59d4-1f2d2b-eaf1e9?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: "#1bb659" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.