# Fern (#548d44)

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

## Values

- Hex: `#548d44`
- RGB: rgb(84, 141, 68)
- HSL: hsl(107, 35%, 41%)
- OKLCH: oklch(0.586 0.121 139.1)
- Relative luminance: 0.2135
- Name: Fern (`fern`, source: list)
- Moods: neutral
- Page: https://brandsweets.com/colors/fern

## Tints & shades

- Tints (toward white): #60a24e, #6caf5a, #7fb96e, #91c383, #a3cd98, #b3d6a9, #c5e0be, #d7e9d2, #e7f2e3, #f9fcf8
- Shades (toward black): #4c7f3d, #467538, #3d6732, #355a2b, #2f4f26, #27411f, #1f3419, #162612, #101c0d, #080e07

## Harmonies

- Complementary: #7d448d
- Analogous: #788d44, #448d59
- Triadic: #44548d, #8d4454
- Split-complementary: #59448d, #8d4478
- Tetradic: #44788d, #7d448d, #8d5944

## Colors that go with Fern

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 Fern: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with Fern — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/royalblue
- **Blue** #0000ff [pool] — 4 real palettes, including Kia's brand system and Instacart's brand system put Blue beside Fern, as the accent. Seen in: Kia (https://brandsweets.com/colors/brands/kia-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with Fern: 4 real palettes, including Wellness and Clean Beauty, as the supporting colour. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with Fern in 6 real palettes, including Five Guys's brand system and Netflix's brand system, as the supporting colour. Seen in: Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix), Coinbase (https://brandsweets.com/colors/brands/coinbase), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with Fern: 6 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
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Paramount+'s brand system and Telehealth put Midnight Blue beside Fern, as the supporting colour. Seen in: Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/midnightblue
- **Slate Gray** #708090 [pool] — 4 real palettes, including Mushroom and Clay & Linen put Slate Gray beside Fern, as the lead colour. Seen in: Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Atelier (https://brandsweets.com/palettes/elegant#atelier), Greige (https://brandsweets.com/palettes/neutral#greige). — https://brandsweets.com/colors/slategray

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

- On white (#ffffff): 3.98:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #4e833f (4.52:1); AA: background → #141414 (4.62:1); AAA: text → #39602e (7.28:1)
- On black (#000000): 5.27:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #62a550 (7.02:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/548d44-a5bea2-7a4edf-1f2d22-eff1e9?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: "#548d44" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.