# #258d78

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

## Values

- Hex: `#258d78`
- RGB: rgb(37, 141, 120)
- HSL: hsl(168, 58%, 35%)
- OKLCH: oklch(0.58 0.098 175.9)
- Relative luminance: 0.208
- Nearest named color: Go Go Green (#008a7d, Δ 1.75) — https://brandsweets.com/colors/go-go-green
- Moods: neutral
- Page: https://brandsweets.com/colors/258d78

## Tints & shades

- Tints (toward white): #2ca58d, #33c1a5, #46ceb3, #5ed4bc, #7adcc8, #92e2d2, #aae9dc, #c3efe6, #dff6f2, #f7fdfc
- Shades (toward black): #22816e, #1f7564, #1c6959, #195d4f, #155145, #114037, #0e342d, #0b2822, #071c18, #04100e

## Harmonies

- Complementary: #8d253a
- Analogous: #258d45, #256e8d
- Triadic: #78258d, #8d7825
- Split-complementary: #8d256e, #8d4525
- Tetradic: #45258d, #8d253a, #6e8d25

## Colors that go with #258d78

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 #258d78: softer than #000 and cool enough to feel like part of the same palette. Seen in: Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), N26 (https://brandsweets.com/colors/brands/n26-com), Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: triadic] — Copper completes a triad with #258d78 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #258d78: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix), Diner (https://brandsweets.com/palettes/vivid#diner), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/crimson
- **Medium Violet Red** #c71585 [harmony, pool: complementary] — Medium Violet Red sits directly opposite #258d78 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #258d78: 8 real palettes, including Peacock and Intel's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), 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). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #258d78 in 4 real palettes, including Mid-Century and Sapphire & Gold, as the accent. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark). — https://brandsweets.com/colors/goldenrod
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Tide Pool and Paramount+'s brand system put Midnight Blue beside #258d78, as that palette's text colour. Seen in: Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Ford (https://brandsweets.com/colors/brands/ford-com). — https://brandsweets.com/colors/midnightblue
- **Orange** #ffa500 [pool] — 4 real palettes, including Farmers Market and Campus put Orange beside #258d78, as the accent. Seen in: Farmers Market (https://brandsweets.com/palettes/warm#farmers-market), Campus (https://brandsweets.com/palettes/friendly#campus), Olympics (https://brandsweets.com/colors/brands/olympics-com), Graphite (https://brandsweets.com/palettes/technical#graphite). — https://brandsweets.com/colors/orange

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

- On white (#ffffff): 4.07:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #238571 (4.5:1); AA: background → #141414 (4.53:1); AAA: text → #1a6152 (7.3:1)
- On black (#000000): 5.16:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #2da990 (7.19:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/258d78-a2bebc-d459ad-1f2a2d-e9f1ec?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: "#258d78" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.