Color
#51a47a
#51a47argb(81, 164, 122)hsl(150, 34%, 48%)oklch(0.655 0.104 159.5)Colors that go with #51a47a
Charcoal, Copper and Cornflower 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 text near-black for #51a47a: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
shippedDesigners have shipped Copper with #51a47a: 5 real palettes, including Clean Beauty and Wellness, as the accent.
Cornflower Blue #6495ed
triadicshippedCornflower Blue completes a triad with #51a47a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Crimson #dc143c
shippedCrimson is paired with #51a47a 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 #51a47a in 5 real palettes, including Undergrowth and Forest Floor, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #51a47a: 5 real palettes, including Peacock and Intel's brand system, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #51a47a: 4 real palettes, including Spline's brand system and Unity's brand system, as the lead colour.
Midnight Blue #191970
shipped7 real palettes, including Fintech Trust and Tide Pool put Midnight Blue beside #51a47a, as the text colour against it.
Real palettes that use #51a47a
Tints & shades
Harmonies
Contrast
| #51a47a as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.03:1 | fail | pass | fail | |
Aaon black | 6.94:1 | 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 #51a47a 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 #51a47a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/51a47a-a2beb3-d459d2-1f2d2c-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