Color

#12e2d5

#12e2d5
hex#12e2d5
rgbrgb(18, 226, 213)
hslhsl(176, 85%, 48%)
oklchoklch(0.823 0.142 187.4)
Closest name: Ice Climber (#25e2cd)Relative luminance 0.5933

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e21220

#12e26d · #1288e2

#d512e2 · #e2d512

Split-complementary

Open in tool →

#e21288 · #e26d12

#6d12e2 · #e21220 · #88e212

Contrast

#12e2d5 as textRatioAAAA largeAAAFix
Aaon white
1.63:1failfailfail
  • AA: use #0b847c as the text (4.56:1)
  • AAA: use #08635d as the text (7.11:1)
  • AA: or shift the background to #545454 (4.64:1)
  • AAA: or shift the background to #383838 (7.18:1)
Aaon black
12.87:1passpasspassPasses 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 #12e2d5 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 #12e2d5
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 #12e2d5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12e2d5-a2bdbe-d4599d-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