Color
#509f7e
#509f7ergb(80, 159, 126)hsl(155, 33%, 47%)oklch(0.643 0.094 164.3)Colors that go with #509f7e
Charcoal, Chocolate 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 text near-black for #509f7e: softer than #000 and cool enough to feel like part of the same palette.
Chocolate #d2691e
triadicshippedChocolate completes a triad with #509f7e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Copper #b87333
shippedDesigners have shipped Copper with #509f7e: 6 real palettes, including Clean Beauty and Wellness, as the accent.
Crimson #dc143c
shippedCrimson is paired with #509f7e in 6 real palettes, including Diner and DuckDuckGo's brand system, as the lead colour.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #509f7e in 5 real palettes, including Undergrowth and Forest Floor, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #509f7e: 7 real palettes, including Peacock and Intel's brand system, as the supporting colour.
Midnight Blue #191970
shipped8 real palettes, including Tide Pool and Fintech Trust put Midnight Blue beside #509f7e, as that palette's text colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #509f7e in 7 real palettes, including Brilliant's brand system and Khan Academy's brand system, as the accent.
Real palettes that use #509f7e
Tints & shades
Harmonies
Contrast
| #509f7e as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.18:1 | fail | pass | fail | |
Aaon black | 6.6:1 | 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 #509f7e as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
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 #509f7e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/509f7e-a2beb6-d459c8-1f2d2d-e9f1ea?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