# #307e3f

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

## Values

- Hex: `#307e3f`
- RGB: rgb(48, 126, 63)
- HSL: hsl(132, 45%, 34%)
- OKLCH: oklch(0.529 0.123 147.4)
- Relative luminance: 0.1591
- Nearest named color: Bold Irish (#2a814d, Δ 1.691) — https://brandsweets.com/colors/bold-irish
- Moods: neutral
- Page: https://brandsweets.com/colors/307e3f

## Tints & shades

- Tints (toward white): #38944a, #42ae57, #51bd67, #6bc77d, #81cf91, #97d8a4, #b1e2bb, #c8eace, #e1f4e5, #f8fcf9
- Shades (toward black): #2b733a, #276834, #235c2f, #1f5129, #1b4623, #163b1e, #123018, #0e2513, #0a1a0d, #060f07

## Harmonies

- Complementary: #7e306e
- Analogous: #477e30, #307e66
- Triadic: #3f307e, #7e3f30
- Split-complementary: #66307e, #7e3047
- Tetradic: #30477e, #7e306e, #7e6630

## Colors that go with #307e3f

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 #307e3f: 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), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #307e3f — 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
- **Dark Orchid** #9932cc [harmony, pool: complementary] — Dark Orchid sits directly opposite #307e3f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/darkorchid
- **Blue** #0000ff [pool] — 4 real palettes, including Kia's brand system and Warp's brand system put Blue beside #307e3f, 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 #307e3f: 4 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 #307e3f in 5 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 #307e3f: 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
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #307e3f: 4 real palettes, including Olive Grove and Forest Floor, as the supporting colour. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch). — https://brandsweets.com/colors/sage-green

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

- On white (#ffffff): 5.02:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #266432 (7.12:1)
- On black (#000000): 4.18:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #328543 (4.57:1); AA: background → #f5f5f5 (4.61:1); AAA: text → #41aa56 (7.11:1)

## Brands using this color

- **GitHub** — success #1a7f37 (Δ 1.787) — https://brandsweets.com/colors/brands/github

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/307e3f-a2beab-b64edf-1f2d28-ecf1e9?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: "#307e3f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.