# #306e59

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

## Values

- Hex: `#306e59`
- RGB: rgb(48, 110, 89)
- HSL: hsl(160, 39%, 31%)
- OKLCH: oklch(0.491 0.073 168.5)
- Relative luminance: 0.125
- Nearest named color: Deep Pool Teal (#366d68, Δ 2.656) — https://brandsweets.com/colors/deep-pool-teal
- Moods: neutral
- Page: https://brandsweets.com/colors/306e59

## Tints & shades

- Tints (toward white): #3b876d, #449c7f, #51b392, #6abea2, #83c9b1, #98d2bf, #b1ddce, #cae8de, #dff1eb, #f8fcfb
- Shades (toward black): #2c6351, #285c4b, #245242, #1f473a, #1c4034, #17352b, #132b23, #0e201a, #0b1914, #060e0c

## Harmonies

- Complementary: #6e3045
- Analogous: #306e3a, #30646e
- Triadic: #59306e, #6e5930
- Split-complementary: #6e3064, #6e3a30
- Tetradic: #3a306e, #6e3045, #646e30

## Colors that go with #306e59

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 #306e59: softer than #000 and cool enough to feel like part of the same palette. Seen in: Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Canopy (https://brandsweets.com/palettes/cool#canopy), Gusto (https://brandsweets.com/colors/brands/gusto-com), Pampers (https://brandsweets.com/colors/brands/pampers-com). — https://brandsweets.com/colors/charcoal
- **Medium Violet Red** #c71585 [harmony, pool: complementary] — Medium Violet Red sits directly opposite #306e59 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Bun (https://brandsweets.com/colors/brands/bun-sh). — https://brandsweets.com/colors/mediumvioletred
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #306e59: 4 real palettes, including Alpine and Open House, as the supporting colour. Seen in: Alpine (https://brandsweets.com/palettes/cool#alpine), Open House (https://brandsweets.com/palettes/clean#open-house), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #306e59: 5 real palettes, including Desert Road and Clay & Linen, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #306e59 in 8 real palettes, including Gemstone and Five Guys's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #306e59: 9 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour. Seen in: Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #306e59 in 4 real palettes, including Mid-Century and Fireside, as the accent. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Fireside (https://brandsweets.com/palettes/dark#fireside), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/goldenrod
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #306e59 in 5 real palettes, including Undergrowth and Console Light, as the lead colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Console Light (https://brandsweets.com/palettes/technical#console-light), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/mediumseagreen

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

- On white (#ffffff): 6:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #2a604e (7.29:1)
- On black (#000000): 3.5:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3a836b (4.64:1); AA: background → #e0e0e0 (4.54:1); AAA: text → #49a787 (7.16:1)

## Brands using this color

- **Stanley** — secondary #22725f (Δ 1.404) — https://brandsweets.com/colors/brands/stanley1913-com

## Curated palettes containing it

- **Canopy** (forest, cool, muted, calm) — #2d6a4f, #95d5b2, #d8a48f, #f6faf7, #1b4332 — Deep green and new-leaf mint with a bark-pink accent — a forest that reads calm rather than camo. — tool: https://brandsweets.com/palettes/new/2d6a4f-95d5b2-d8a48f-f6faf7-1b4332 — collection: https://brandsweets.com/palettes/forest

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/306e59-a2beb8-d459be-1f2c2d-e9f1eb?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: "#306e59" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.