# #28813f

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

## Values

- Hex: `#28813f`
- RGB: rgb(40, 129, 63)
- HSL: hsl(136, 53%, 33%)
- OKLCH: oklch(0.535 0.131 148.4)
- Relative luminance: 0.1651
- Nearest named color: Bold Irish (#2a814d, Δ 1.841) — https://brandsweets.com/colors/bold-irish
- Moods: neutral
- Page: https://brandsweets.com/colors/28813f

## Tints & shades

- Tints (toward white): #309c4d, #37b358, #48c76a, #5fce7d, #7ad693, #92dda6, #ade6bc, #c4edcf, #e0f5e6, #f7fdf9
- Shades (toward black): #24753a, #206934, #1d5e2e, #195228, #174a24, #133e1f, #103319, #0c2713, #081b0d, #051008

## Harmonies

- Complementary: #812869
- Analogous: #3c8128, #28816c
- Triadic: #3f2881, #813f28
- Split-complementary: #6c2881, #81283c
- Tetradic: #283c81, #812869, #816c28

## Colors that go with #28813f

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 #28813f: 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), 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 #28813f — 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 #28813f 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 Instacart's brand system put Blue beside #28813f, as the accent. Seen in: Kia (https://brandsweets.com/colors/brands/kia-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #28813f 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 #28813f: 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 Paramount+'s brand system and Telehealth put Midnight Blue beside #28813f, as the supporting colour. Seen in: Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/midnightblue
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #28813f: 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): 4.88:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1f6532 (7.08:1)
- On black (#000000): 4.3:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #298541 (4.53:1); AA: background → #f7f7f7 (4.56:1); AAA: text → #35ac54 (7.18:1)

## Brands using this color

- **GitHub** — success #1a7f37 (Δ 1.402) — https://brandsweets.com/colors/brands/github
- **Lemon Squeezy** — secondary #1e874c (Δ 1.99) — https://brandsweets.com/colors/brands/lemonsqueezy-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/28813f-a2bead-b959d4-1f2d29-ebf1e9?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: "#28813f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.