Color

#31aaa4

#31aaa4
hex#31aaa4
rgbrgb(49, 170, 164)
hslhsl(177, 55%, 43%)
oklchoklch(0.672 0.104 190.1)
Closest name: Billiard (#00af9f)Relative luminance 0.3208

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa3137

#31aa68 · #3174aa

#a431aa · #aaa431

Split-complementary

Open in tool →

#aa3174 · #aa6831

#6831aa · #aa3137 · #74aa31

Contrast

#31aaa4 as textRatioAAAA largeAAAFix
Aaon white
2.83:1failfailfail
  • AA: use #26827e as the text (4.59:1)
  • AAA: use #1c5f5b as the text (7.4:1)
  • AA: or shift the background to #303030 (4.66:1)
  • AAA: or shift the background to #080808 (7.07:1)
Aaon black
7.42:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #31aaa4 as the background.

Brands using this color

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

mcpConnect your agent — build around #31aaa4
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #31aaa4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31aaa4-a2bcbe-d4599b-1f282d-e9f1ed?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