# #1b835b

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

## Values

- Hex: `#1b835b`
- RGB: rgb(27, 131, 91)
- HSL: hsl(157, 66%, 31%)
- OKLCH: oklch(0.543 0.111 161.8)
- Relative luminance: 0.1722
- Nearest named color: Bold Irish (#2a814d, Δ 1.81) — https://brandsweets.com/colors/bold-irish
- Moods: vivid
- Page: https://brandsweets.com/colors/1b835b

## Tints & shades

- Tints (toward white): #21a170, #26ba81, #30d595, #4ddba4, #6be1b3, #84e6c0, #a2ecd0, #c0f2df, #d9f7ec, #f7fdfb
- Shades (toward black): #187752, #176e4d, #146144, #11553b, #104c35, #0d3f2c, #0a3323, #08261a, #061e15, #03110c

## Harmonies

- Complementary: #831b43
- Analogous: #1b8327, #1b7783
- Triadic: #5b1b83, #835b1b
- Split-complementary: #831b77, #83271b
- Tetradic: #271b83, #831b43, #77831b

## Colors that go with #1b835b

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 text near-black for #1b835b: softer than #000 and cool enough to feel like part of the same palette. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), N26 (https://brandsweets.com/colors/brands/n26-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #1b835b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. 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
- **Medium Violet Red** #c71585 [harmony, pool: complementary] — Medium Violet Red sits directly opposite #1b835b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Bun (https://brandsweets.com/colors/brands/bun-sh). — https://brandsweets.com/colors/mediumvioletred
- **Blue** #0000ff [pool] — 4 real palettes, including Kia's brand system and Warp's brand system put Blue beside #1b835b, 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 #1b835b: 5 real palettes, including Wellness and Riverbed, as the supporting colour. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/copper
- **Denim** #1560bd [pool] — Designers have shipped Denim with #1b835b: 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 Tide Pool put Midnight Blue beside #1b835b, as the supporting colour. Seen in: Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #1b835b in 5 real palettes, including Coinbase's brand system and Subaru's brand system, as the lead colour. 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

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

- On white (#ffffff): 4.73:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #146144 (7.44:1)
- On black (#000000): 4.44:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #1c875e (4.68:1); AA: background → #fafafa (4.53:1); AAA: text → #23a976 (7.01:1)

## Brands using this color

- **Shopify** — primary #008060 (Δ 1.554) — https://brandsweets.com/colors/brands/shopify
- **Coinbase** — success #098551 (Δ 1.859) — https://brandsweets.com/colors/brands/coinbase
- **BrandSweets** — success #2f7d51 (Δ 1.94) — https://brandsweets.com/colors/brands/brandsweets

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/1b835b-a2beb7-d459c4-1f2c2d-e9f1ea?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: "#1b835b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.