Color

#31c4bc

#31c4bc
hex#31c4bc
rgbrgb(49, 196, 188)
hslhsl(177, 60%, 48%)
oklchoklch(0.745 0.119 189.4)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4376

Colors that go with #31c4bc

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 →

#c43138

#31c473 · #3182c4

#bc31c4 · #c4bc31

Split-complementary

Open in tool →

#c43182 · #c47331

#7331c4 · #c43138 · #82c431

Contrast

#31c4bc as textRatioAAAA largeAAAFix
Aaon white
2.15:1failfailfail
  • AA: use #21837e as the text (4.55:1)
  • AAA: use #18625e as the text (7.12:1)
  • AA: or shift the background to #424242 (4.67:1)
  • AAA: or shift the background to #262626 (7.03:1)
Aaon black
9.75:1passpasspassPasses 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 #31c4bc 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 #31c4bc
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 #31c4bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31c4bc-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