# #307e4e

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

## Values

- Hex: `#307e4e`
- RGB: rgb(48, 126, 78)
- HSL: hsl(143, 45%, 34%)
- OKLCH: oklch(0.532 0.108 153.5)
- Relative luminance: 0.161
- Nearest named color: Bold Irish (#2a814d, Δ 1.024) — https://brandsweets.com/colors/bold-irish
- Moods: neutral
- Page: https://brandsweets.com/colors/307e4e

## Tints & shades

- Tints (toward white): #38945b, #42ae6b, #51bd7b, #6bc78e, #81cf9f, #97d8b0, #b1e2c4, #c8ead5, #e1f4e8, #f8fcf9
- Shades (toward black): #2b7347, #276840, #235c39, #1f5132, #1b462b, #163b25, #12301e, #0e2517, #0a1a10, #060f09

## Harmonies

- Complementary: #7e3060
- Analogous: #397e30, #307e75
- Triadic: #4e307e, #7e4e30
- Split-complementary: #75307e, #7e3039
- Tetradic: #30397e, #7e3060, #7e7530

## Colors that go with #307e4e

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 #307e4e: softer than #000 and cool enough to feel like part of the same palette. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #307e4e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Subaru (https://brandsweets.com/colors/brands/subaru-com), Xbox (https://brandsweets.com/colors/brands/xbox-com), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/royalblue
- **Medium Violet Red** #c71585 [harmony, pool: complementary] — Medium Violet Red sits directly opposite #307e4e 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
- **Blue** #0000ff [pool] — 4 real palettes, including Kia's brand system and Warp's brand system put Blue beside #307e4e, as the accent. Seen in: Kia (https://brandsweets.com/colors/brands/kia-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Instacart (https://brandsweets.com/colors/brands/instacart-com), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #307e4e: 5 real palettes, including Wellness and Clay & Linen, as the supporting colour. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Desert Road (https://brandsweets.com/palettes/warm#desert-road). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #307e4e in 6 real palettes, including Coinbase's brand system and Five Guys's brand system. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #307e4e: 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
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #307e4e 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), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/goldenrod

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

- On white (#ffffff): 4.98:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #26643e (7.06:1)
- On black (#000000): 4.22:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #328552 (4.61:1); AA: background → #f5f5f5 (4.56:1); AAA: text → #41aa69 (7.18:1)

## Brands using this color

- **BrandSweets** — success #2f7d51 (Δ 0.598) — https://brandsweets.com/colors/brands/brandsweets

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/307e4e-a2beb0-c859d4-1f2d2b-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: "#307e4e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.