Color

#12ba90

#12ba90
hex#12ba90
rgbrgb(18, 186, 144)
hslhsl(165, 82%, 40%)
oklchoklch(0.702 0.138 168.9)
Closest name: Bleached Olive (#55bb88)Relative luminance 0.3726

Colors that go with #12ba90

Charcoal, Hot Pink and Blue 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 →

#ba123c

#12ba3c · #1290ba

#9012ba · #ba9012

Split-complementary

Open in tool →

#ba1290 · #ba3c12

#3c12ba · #ba123c · #90ba12

Contrast

#12ba90 as textRatioAAAA largeAAAFix
Aaon white
2.48:1failfailfail
  • AA: use #0d8265 as the text (4.77:1)
  • AAA: use #0a614c as the text (7.43:1)
  • AA: or shift the background to #3b3b3b (4.51:1)
  • AAA: or shift the background to #1a1a1a (7:1)
Aaon black
8.45:1passpasspassPasses 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 #12ba90 as the background.

Brands using this color

mcpConnect your agent — build around #12ba90
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 #12ba90 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12ba90-a2beba-d459b3-1f2b2d-e9f1eb?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