Color

#12a152

#12a152
hex#12a152
rgbrgb(18, 161, 82)
hslhsl(147, 80%, 35%)
oklchoklch(0.622 0.161 151.6)
Closest name: Green Revolution (#009944)Relative luminance 0.2623

Colors that go with #12a152

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 →

#a11260

#19a112 · #12a19a

#5212a1 · #a15212

Split-complementary

Open in tool →

#9a12a1 · #a11219

#1219a1 · #a11260 · #a19a12

Contrast

#12a152 as textRatioAAAA largeAAAFix
Aaon white
3.36:1failpassfail
  • AA: use #0f8544 as the text (4.71:1)
  • AAA: use #0b6534 as the text (7.18:1)
  • AA: or shift the background to #262626 (4.5:1)
Aaon black
6.25:1passpassfail
  • AAA: use #13ae59 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12a152 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #12a152
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 #12a152 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12a152-a2beb2-d059d4-1f2d2c-eaf1e9?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