# #5bb367

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

## Values

- Hex: `#5bb367`
- RGB: rgb(91, 179, 103)
- HSL: hsl(128, 37%, 53%)
- OKLCH: oklch(0.693 0.139 146.8)
- Relative luminance: 0.3544
- Nearest named color: mediumseagreen (#3cb371, Δ 2.268) — https://brandsweets.com/colors/mediumseagreen
- Moods: neutral
- Page: https://brandsweets.com/colors/5bb367

## Tints & shades

- Tints (toward white): #6cbc77, #7ac284, #8cca94, #9ad0a1, #abd8b1, #b9dfbe, #cbe7ce, #d9eddb, #eaf5ec, #f8fcf9
- Shades (toward black): #4da859, #459650, #3d8547, #35733d, #2f6536, #27542d, #1f4223, #16311a, #0e1f11, #060e07

## Harmonies

- Complementary: #b35ba8
- Analogous: #7bb35b, #5bb393
- Triadic: #675bb3, #b3675b
- Split-complementary: #935bb3, #b35b7b
- Tetradic: #5b7bb3, #b35ba8, #b3935b

## Colors that go with #5bb367

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 #5bb367: 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 #5bb367, as the supporting colour. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #5bb367 in 5 real palettes, including Khan Academy's brand system and Brilliant's brand system, as the accent. Seen in: Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #5bb367 in 15 real palettes, including Undergrowth and Meadow, as the surface under it. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Meadow (https://brandsweets.com/palettes/light#meadow), Chime (https://brandsweets.com/colors/brands/chime-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Orchid** #da70d6 [harmony: complementary] — Orchid sits directly opposite #5bb367 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/orchid
- **Medium Purple** #9370db [harmony, pool: split] — Medium Purple is a split-complement of #5bb367: 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 Unity's brand system and Spotify's brand system put Blue beside #5bb367, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify), 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 #5bb367 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/cornflowerblue

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

- On white (#ffffff): 2.6:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3d8547 (4.52:1); AA: background → #383838 (4.52:1); AAA: text → #2d6234 (7.22:1); AAA: background → #141414 (7.1:1)
- On black (#000000): 8.09:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/5bb367-a2bea9-ac4edf-1f2d27-ecf1e9?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: "#5bb367" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.