# #668f28

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

## Values

- Hex: `#668f28`
- RGB: rgb(102, 143, 40)
- HSL: hsl(84, 56%, 36%)
- OKLCH: oklch(0.599 0.138 128.9)
- Relative luminance: 0.2262
- Nearest named color: Asparagus Sultan (#6a8e22, Δ 0.536) — https://brandsweets.com/colors/asparagus-sultan
- Moods: neutral
- Page: https://brandsweets.com/colors/668f28

## Tints & shades

- Tints (toward white): #77a72f, #88bf36, #99cd4c, #a7d364, #b4da7c, #c2e194, #cfe7ab, #dfefc7, #edf6df, #fafdf7
- Shades (toward black): #5e8325, #557722, #4a671d, #415b1a, #395016, #304413, #283810, #1c280b, #141c08, #0b1004

## Harmonies

- Complementary: #52288f
- Analogous: #8f8528, #338f28
- Triadic: #28668f, #8f2866
- Split-complementary: #28338f, #85288f
- Tetradic: #288f85, #52288f, #8f2833

## Colors that go with #668f28

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 #668f28: 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 #668f28 — 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
- **Dark Orchid** #9932cc [harmony, pool: complementary] — Dark Orchid sits directly opposite #668f28 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 Instacart's brand system and Kia's brand system put Blue beside #668f28, as the accent. Seen in: Instacart (https://brandsweets.com/colors/brands/instacart-com), Kia (https://brandsweets.com/colors/brands/kia-com), Rolex (https://brandsweets.com/colors/brands/rolex-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #668f28: 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #668f28: 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 Paramount+'s brand system put Midnight Blue beside #668f28, as the text colour against it. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #668f28 in 5 real palettes, including Console Light and Telehealth, as the lead colour. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Subaru (https://brandsweets.com/colors/brands/subaru-com), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 3.8:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #5b7f24 (4.66:1); AA: background → #1a1a1a (4.58:1); AAA: text → #445f1b (7.25:1)
- On black (#000000): 5.52:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #74a32e (7.02:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/668f28-afbea2-4e5adf-222d1f-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: "#668f28" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.