Color
#507c51
#507c51rgb(80, 124, 81)hsl(121, 22%, 40%)oklch(0.542 0.082 144.9)Colors that go with #507c51
Charcoal, Dark Orchid and Blue 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 #507c51: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Dark Orchid #9932cc
complementaryshippedDark Orchid sits directly opposite #507c51 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped4 real palettes, including Kia's brand system and Warp's brand system put Blue beside #507c51, as the accent.
Champagne #f7e7ce
shipped6 real palettes, including Forest Floor and Woodsmoke put Champagne beside #507c51, as that palette's text colour.
Copper #b87333
shippedDesigners have shipped Copper with #507c51: 5 real palettes, including Wellness and Riverbed, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #507c51 in 7 real palettes, including Five Guys's brand system and Netflix's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #507c51: 7 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #507c51 in 4 real palettes, including Mid-Century and Harvest, as the accent.
Real palettes that use #507c51
Tints & shades
Harmonies
Contrast
| #507c51 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.84:1 | pass | pass | fail |
|
Aaon black | 4.34:1 | fail | 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 #507c51 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 #507c51 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/507c51-a2bea6-9b4edf-1f2d26-edf1e9?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