Color
#559b63
#559b63rgb(85, 155, 99)hsl(132, 29%, 47%)oklch(0.628 0.11 148.9)Colors that go with #559b63
Charcoal, Blue and Copper lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #559b63: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Blue #0000ff
shipped5 real palettes, including Kia's brand system and Unity's brand system put Blue beside #559b63, as the accent.
Copper #b87333
shippedDesigners have shipped Copper with #559b63: 5 real palettes, including Clean Beauty and Wellness, as the accent.
Crimson #dc143c
shippedCrimson is paired with #559b63 in 5 real palettes, including Diner and DuckDuckGo's brand system, as the lead colour.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #559b63 in 4 real palettes, including Undergrowth and Forest Floor, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #559b63: 5 real palettes, including Peacock and Intel's brand system, as the supporting colour.
Midnight Blue #191970
shipped5 real palettes, including Fintech Trust and Telehealth put Midnight Blue beside #559b63, as the text colour against it.
Medium Orchid #ba55d3
complementaryMedium Orchid sits directly opposite #559b63 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #559b63
Tints & shades
Harmonies
Contrast
| #559b63 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.36:1 | fail | pass | fail | |
Aaon black | 6.25:1 | pass | pass | fail |
|
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #559b63 as the background.
Brands using this color
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #559b63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/559b63-a2beab-b64edf-1f2d28-ecf1e9?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md