Color

#31a554

#31a554
hex#31a554
rgbrgb(49, 165, 84)
hslhsl(138, 54%, 42%)
oklchoklch(0.639 0.156 149.4)
Closest name: Jade (#00a86b)Relative luminance 0.282

Colors that go with #31a554

Charcoal, Blue and Crimson 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.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#a53182

#48a531 · #31a58e

#5431a5 · #a55431

Split-complementary

Open in tool →

#8e31a5 · #a53148

#3148a5 · #a53182 · #a58e31

Contrast

#31a554 as textRatioAAAA largeAAAFix
Aaon white
3.16:1failpassfail
  • AA: use #288644 as the text (4.58:1)
  • AAA: use #1d6232 as the text (7.38:1)
  • AA: or shift the background to #292929 (4.6:1)
Aaon black
6.64:1passpassfail
  • AAA: use #34ad58 as the text (7.26:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #31a554 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #31a554
live endpoint

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.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #31a554 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31a554-a2beae-be59d4-1f2d29-ebf1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md