Color
#509f63
#509f63rgb(80, 159, 99)hsl(134, 33%, 47%)oklch(0.636 0.119 149.7)Colors that go with #509f63
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 #509f63: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Blue #0000ff
shipped4 real palettes, including Unity's brand system and Spotify's brand system put Blue beside #509f63, as the supporting colour.
Copper #b87333
shippedDesigners have shipped Copper with #509f63: 5 real palettes, including Clean Beauty and Wellness, as the accent.
Crimson #dc143c
shippedCrimson is paired with #509f63 in 5 real palettes, including DuckDuckGo's brand system and Diner, as the supporting colour.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #509f63 in 4 real palettes, including Undergrowth and Forest Floor, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #509f63: 5 real palettes, including Peacock and Intel's brand system, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #509f63: 4 real palettes, including Spline's brand system and Unity's brand system, as the lead colour.
Medium Orchid #ba55d3
complementaryMedium Orchid sits directly opposite #509f63 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 #509f63
Tints & shades
Harmonies
Contrast
| #509f63 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.24:1 | fail | pass | fail | |
Aaon black | 6.48:1 | 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 #509f63 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 #509f63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/509f63-a2beac-b559d4-1f2d29-ebf1e9?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