Color

#12975d

#12975d
hex#12975d
rgbrgb(18, 151, 93)
hslhsl(154, 79%, 33%)
oklchoklch(0.597 0.138 157.1)
Closest name: Eucalyptus (#329760)Relative luminance 0.2305

Colors that go with #12975d

Charcoal, Crimson and Medium Violet Red 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 →

#97124b

#12971b · #128e97

#5d1297 · #975d12

Split-complementary

Open in tool →

#97128e · #971b12

#1b1297 · #97124b · #8e9712

Contrast

#12975d as textRatioAAAA largeAAAFix
Aaon white
3.74:1failpassfail
  • AA: use #108452 as the text (4.73:1)
  • AAA: use #0c643e as the text (7.22:1)
  • AA: or shift the background to #1c1c1c (4.55:1)
Aaon black
5.61:1passpassfail
  • AAA: use #14ad6b as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12975d 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 #12975d
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 #12975d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12975d-a2beb5-d459ca-1f2d2d-e9f1ea?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