# #639749

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

## Values

- Hex: `#639749`
- RGB: rgb(99, 151, 73)
- HSL: hsl(100, 35%, 44%)
- OKLCH: oklch(0.621 0.123 136.2)
- Relative luminance: 0.2527
- Nearest named color: Bitter Leaf (#669841, Δ 0.979) — https://brandsweets.com/colors/bitter-leaf
- Moods: neutral
- Page: https://brandsweets.com/colors/639749

## Tints & shades

- Tints (toward white): #6ea951, #7fb464, #8dbd75, #9ec78a, #accf9b, #bbd7ac, #cce1c1, #dae9d2, #ebf3e7, #f9fcf8
- Shades (toward black): #5a8a42, #517c3c, #486e35, #3f602e, #365328, #2d4521, #24371b, #1b2914, #121c0d, #090e07

## Harmonies

- Complementary: #7d4997
- Analogous: #8a9749, #499756
- Triadic: #496397, #974963
- Split-complementary: #564997, #97498a
- Tetradic: #498a97, #7d4997, #975649

## Colors that go with #639749

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 #639749: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 5 real palettes, including Kia's brand system and Instacart's brand system put Blue beside #639749, as the accent. Seen in: Kia (https://brandsweets.com/colors/brands/kia-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Spotify (https://brandsweets.com/colors/brands/spotify), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #639749: 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), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #639749 in 5 real palettes, including DuckDuckGo's brand system and Five Guys's brand system, as the supporting colour. Seen in: DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), 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
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #639749 in 4 real palettes, including Undergrowth and Forest Floor, as the supporting colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #639749: 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 Telehealth and Fintech Trust put Midnight Blue beside #639749, as the text colour against it. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/midnightblue
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #639749 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Olympics (https://brandsweets.com/colors/brands/olympics-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com). — https://brandsweets.com/colors/steelblue

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

- On white (#ffffff): 3.47:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #537f3d (4.7:1); AA: background → #212121 (4.64:1); AAA: text → #3f602e (7.18:1)
- On black (#000000): 6.05:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6ca550 (7.14:1)

## Brands using this color

- **Spline** — secondary #6a9955 (Δ 1.743) — https://brandsweets.com/colors/brands/spline-design

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/639749-a8bea2-694edf-1f2d21-f0f1e9?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: "#639749" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.