# #51b382

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

## Values

- Hex: `#51b382`
- RGB: rgb(81, 179, 130)
- HSL: hsl(150, 39%, 51%)
- OKLCH: oklch(0.695 0.118 159.2)
- Relative luminance: 0.356
- Nearest named color: Electra (#55b492, Δ 2.272) — https://brandsweets.com/colors/electra
- Moods: neutral
- Page: https://brandsweets.com/colors/51b382

## Tints & shades

- Tints (toward white): #63bb8f, #71c199, #83c9a6, #95d0b3, #a6d8bf, #b5dec9, #c6e6d6, #d8eee3, #e6f4ed, #f8fcfa
- Shades (toward black): #48a375, #41956b, #3a835e, #327152, #2c6347, #24523b, #1c402e, #142e21, #0e2017, #060e0a

## Harmonies

- Complementary: #b35182
- Analogous: #51b351, #51b3b3
- Triadic: #8251b3, #b38251
- Split-complementary: #b351b3, #b35151
- Tetradic: #5151b3, #b35182, #b3b351

## Colors that go with #51b382

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 #51b382: 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), N26 (https://brandsweets.com/colors/brands/n26-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 5 real palettes, including Unity's brand system and Spotify's brand system put Blue beside #51b382, 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), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #51b382 — 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), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/cornflowerblue
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Fintech Trust and Telehealth put Midnight Blue beside #51b382, as the text colour against it. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Ford (https://brandsweets.com/colors/brands/ford-com). — https://brandsweets.com/colors/midnightblue
- **Mustard Yellow** #ffdb58 [pool] — 5 real palettes, including Diner and Meadow put Mustard Yellow beside #51b382, as the accent. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Meadow (https://brandsweets.com/palettes/light#meadow), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #51b382 in 6 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), Docker (https://brandsweets.com/colors/brands/docker-com), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/royalblue
- **Slate Gray** #708090 [pool] — 4 real palettes, including Indigo SaaS and Ledger Dark put Slate Gray beside #51b382, as the supporting colour. Seen in: Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Greige (https://brandsweets.com/palettes/neutral#greige). — https://brandsweets.com/colors/slategray
- **Taupe** #483c32 [pool] — Taupe is paired with #51b382 in 20 real palettes, including Undergrowth and Resort, as the surface under it. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Resort (https://brandsweets.com/palettes/light#resort), Chime (https://brandsweets.com/colors/brands/chime-com), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 2.59:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3a835e (4.58:1); AA: background → #383838 (4.53:1); AAA: text → #2c6347 (7.04:1); AAA: background → #141414 (7.12:1)
- On black (#000000): 8.12:1 — 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/51b382-a2beb3-d459d2-1f2d2c-e9f1ea?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: "#51b382" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.