Color

#37d2d2

#37d2d2
hex#37d2d2
rgbrgb(55, 210, 210)
hslhsl(180, 63%, 52%)
oklchoklch(0.787 0.123 194.9)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.5156

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d23737

#37d285 · #3785d2

#d237d2 · #d2d237

Split-complementary

Open in tool →

#d23785 · #d28537

#8537d2 · #d23737 · #85d237

Contrast

#37d2d2 as textRatioAAAA largeAAAFix
Aaon white
1.86:1failfailfail
  • AA: use #1d8181 as the text (4.66:1)
  • AAA: use #166060 as the text (7.3:1)
  • AA: or shift the background to #4d4d4d (4.55:1)
  • AAA: or shift the background to #303030 (7.11:1)
Aaon black
11.31:1passpasspassPasses 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 #37d2d2 as the background.

Brands using this color

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

Fonts for this mood

#37d2d2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37d2d2
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 #37d2d2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37d2d2-a2bbbe-d45994-1f272d-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