# #377b68

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

## Values

- Hex: `#377b68`
- RGB: rgb(55, 123, 104)
- HSL: hsl(163, 38%, 35%)
- OKLCH: oklch(0.533 0.076 172.5)
- Relative luminance: 0.1598
- Nearest named color: Green Sleeves (#39766c, Δ 1.874) — https://brandsweets.com/colors/green-sleeves
- Moods: neutral
- Page: https://brandsweets.com/colors/377b68

## Tints & shades

- Tints (toward white): #41907a, #4ca98f, #5db69d, #72c0aa, #8bcbb9, #a0d4c5, #b5ded2, #cae7df, #e3f2ee, #f8fcfb
- Shades (toward black): #33715f, #2e6656, #295b4d, #245144, #20463b, #193830, #152e27, #10231e, #0b1915, #060e0c

## Harmonies

- Complementary: #7b374b
- Analogous: #377b46, #376c7b
- Triadic: #68377b, #7b6837
- Split-complementary: #7b376c, #7b4637
- Tetradic: #46377b, #7b374b, #6c7b37

## Colors that go with #377b68

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 #377b68: softer than #000 and cool enough to feel like part of the same palette. Seen in: N26 (https://brandsweets.com/colors/brands/n26-com), Gusto (https://brandsweets.com/colors/brands/gusto-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Asana (https://brandsweets.com/colors/brands/asana-com). — https://brandsweets.com/colors/charcoal
- **Medium Violet Red** #c71585 [harmony, pool: complementary] — Medium Violet Red sits directly opposite #377b68 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
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Forest Floor and BrandSweets's brand system put Champagne beside #377b68, as that palette's text colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #377b68: 5 real palettes, including Riverbed and Wellness, as the accent. Seen in: Riverbed (https://brandsweets.com/palettes/muted#riverbed), Wellness (https://brandsweets.com/palettes/warm#wellness), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Desert Road (https://brandsweets.com/palettes/warm#desert-road). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #377b68 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), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #377b68: 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 #377b68 in 5 real palettes, including Mid-Century and Sapphire & Gold, as the accent. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Fireside (https://brandsweets.com/palettes/dark#fireside), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/goldenrod
- **Midnight Blue** #191970 [pool] — 6 real palettes, including Paramount+'s brand system and Tide Pool put Midnight Blue beside #377b68, as the supporting colour. Seen in: Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 5.01:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #2b5f50 (7.35:1)
- On black (#000000): 4.2:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3a826e (4.6:1); AA: background → #f5f5f5 (4.59:1); AAA: text → #4aa58c (7.05:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/377b68-a2beb9-d459b7-1f2b2d-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: "#377b68" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.