# #428f62

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

## Values

- Hex: `#428f62`
- RGB: rgb(66, 143, 98)
- HSL: hsl(145, 37%, 41%)
- OKLCH: oklch(0.589 0.104 155.6)
- Relative luminance: 0.2169
- Nearest named color: Illuminati Green (#419168, Δ 0.858) — https://brandsweets.com/colors/illuminati-green
- Moods: neutral
- Page: https://brandsweets.com/colors/428f62

## Tints & shades

- Tints (toward white): #4ca470, #57b27d, #6cbc8d, #81c59e, #96cfae, #a8d7bb, #bde0cc, #d2eadc, #e3f2e9, #f8fcfa
- Shades (toward black): #3b8159, #377751, #306948, #2a5b3e, #255037, #1f422d, #183424, #12261a, #0d1c13, #060e0a

## Harmonies

- Complementary: #8f426f
- Analogous: #488f42, #428f89
- Triadic: #62428f, #8f6242
- Split-complementary: #89428f, #8f4248
- Tetradic: #42488f, #8f426f, #8f8942

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

- On white (#ffffff): 3.93:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3b8159 (4.7:1); AA: background → #171717 (4.56:1); AAA: text → #2d6243 (7.14:1)
- On black (#000000): 5.34:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #4da873 (7.16:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/428f62-a2beb1-cc59d4-1f2d2b-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: "#428f62" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.