Color

#31f2ef

#31f2ef
hex#31f2ef
rgbrgb(49, 242, 239)
hslhsl(179, 88%, 57%)
oklchoklch(0.873 0.142 193.2)
Closest name: Aqua (#0ff0fe)Relative luminance 0.7039

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f23134

#31f28e · #3195f2

#ef31f2 · #f2ef31

Split-complementary

Open in tool →

#f23195 · #f28e31

#8e31f2 · #f23134 · #95f231

Contrast

#31f2ef as textRatioAAAA largeAAAFix
Aaon white
1.39:1failfailfail
  • AA: use #08817f as the text (4.71:1)
  • AAA: use #06605e as the text (7.39:1)
  • AA: or shift the background to #5e5e5e (4.66:1)
  • AAA: or shift the background to #424242 (7.22:1)
Aaon black
15.08:1passpasspassPasses 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 #31f2ef 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 #31f2ef
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 #31f2ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31f2ef-a2bbbe-d45996-1f272d-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