# #688b18

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

## Values

- Hex: `#688b18`
- RGB: rgb(104, 139, 24)
- HSL: hsl(78, 71%, 32%)
- OKLCH: oklch(0.589 0.141 126)
- Relative luminance: 0.2147
- Nearest named color: Asparagus Sultan (#6a8e22, Δ 1) — https://brandsweets.com/colors/asparagus-sultan
- Moods: vivid
- Page: https://brandsweets.com/colors/688b18

## Tints & shades

- Tints (toward white): #80aa1d, #93c421, #a7dc2e, #b2e048, #bfe566, #ccea85, #d7ef9f, #e4f4be, #eff8d8, #fbfef6
- Shades (toward black): #5f7e15, #557113, #4f6912, #455c10, #3b4e0d, #31410b, #273409, #212c07, #171f05, #0d1103

## Harmonies

- Complementary: #3a188c
- Analogous: #8c7418, #2f8c18
- Triadic: #18698c, #8c1869
- Split-complementary: #182f8c, #74188c
- Tetradic: #188c74, #3a188c, #8c182f

## Colors that go with #688b18

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 #688b18: 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), Puma (https://brandsweets.com/colors/brands/puma-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #688b18 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. 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), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com). — https://brandsweets.com/colors/crimson
- **Copper** #b87333 [pool] — Designers have shipped Copper with #688b18: 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #688b18: 5 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #688b18 in 5 real palettes, including Subaru's brand system and Console Light, as the supporting colour. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #688b18 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Olympics (https://brandsweets.com/colors/brands/olympics-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/steelblue
- **Taupe** #483c32 [pool] — Taupe is paired with #688b18 in 11 real palettes, including Acer's brand system and Instacart's brand system, as that palette's text colour. Seen in: Acer (https://brandsweets.com/colors/brands/acer-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Subaru (https://brandsweets.com/colors/brands/subaru-com), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/taupe
- **Blue Violet** #8a2be2 [harmony: complementary] — Blue Violet sits directly opposite #688b18 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/blueviolet

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

- On white (#ffffff): 3.97:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #5f7e15 (4.69:1); AA: background → #171717 (4.52:1); AAA: text → #486010 (7.1:1)
- On black (#000000): 5.29:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #7ca61c (7.33:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/688b18-b2bea2-4e69df-232d1f-f1f0e9?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: "#688b18" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.