# #59b198

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

## Values

- Hex: `#59b198`
- RGB: rgb(89, 177, 152)
- HSL: hsl(163, 36%, 52%)
- OKLCH: oklch(0.698 0.094 172.7)
- Relative luminance: 0.3584
- Nearest named color: Electra (#55b492, Δ 1.465) — https://brandsweets.com/colors/electra
- Moods: neutral
- Page: https://brandsweets.com/colors/59b198

## Tints & shades

- Tints (toward white): #6ab9a2, #78bfab, #89c8b6, #97cebe, #a8d6c9, #baded4, #c8e5dd, #d9ede7, #e7f4f0, #f8fcfb
- Shades (toward black): #4da38b, #45927c, #3e8470, #367261, #2e6153, #265044, #1d3e35, #173129, #0f1f1b, #070e0c

## Harmonies

- Complementary: #b15972
- Analogous: #59b16c, #599eb1
- Triadic: #9859b1, #b19859
- Split-complementary: #b1599e, #b16c59
- Tetradic: #6c59b1, #b15972, #9eb159

## Colors that go with #59b198

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 #59b198: softer than #000 and cool enough to feel like part of the same palette. Seen in: N26 (https://brandsweets.com/colors/brands/n26-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #59b198 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Arctic (https://brandsweets.com/palettes/clean#arctic), Terminal (https://brandsweets.com/palettes/technical#terminal), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/cornflowerblue
- **Blue** #0000ff [pool] — 4 real palettes, including Unity's brand system and Canva's brand system put Blue beside #59b198, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify), Lexus (https://brandsweets.com/colors/brands/lexus-com). — https://brandsweets.com/colors/blue
- **Burlywood** #deb887 [pool] — Burlywood is paired with #59b198 in 4 real palettes, including Polaroid and Coastal, as the accent. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Coastal (https://brandsweets.com/palettes/cool#coastal), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/burlywood
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #59b198 in 4 real palettes, including Undergrowth and Forest Floor, as the supporting colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal). — https://brandsweets.com/colors/darkolivegreen
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #59b198: 4 real palettes, including Unity's brand system and Spline's brand system, as the lead colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Spline (https://brandsweets.com/colors/brands/spline-design), Studio Grey (https://brandsweets.com/palettes/minimal#studio-grey), Playground (https://brandsweets.com/palettes/bold#playground). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Fintech Trust and Ford's brand system put Midnight Blue beside #59b198, as the text colour against it. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Ford (https://brandsweets.com/colors/brands/ford-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/midnightblue
- **Mustard Yellow** #ffdb58 [pool] — 5 real palettes, including Diner and Crayon Box put Mustard Yellow beside #59b198, as the accent. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Lido (https://brandsweets.com/palettes/vivid#lido), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice). — https://brandsweets.com/colors/mustard

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

- On white (#ffffff): 2.57:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3c806d (4.67:1); AA: background → #383838 (4.56:1); AAA: text → #2e6153 (7.12:1); AAA: background → #141414 (7.16:1)
- On black (#000000): 8.17:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/59b198-a2beb9-d459b7-1f2b2d-e9f1eb?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: "#59b198" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.