Color

#238e10

#238e10
hex#238e10
rgbrgb(35, 142, 16)
hslhsl(111, 80%, 31%)
oklchoklch(0.565 0.18 141.3)
Closest name: Emerald (#028f1e)Relative luminance 0.1974

Colors that go with #238e10

Royal Blue, Charcoal 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 →

#7b108e

#628e10 · #108e3c

#10238e · #8e1023

Split-complementary

Open in tool →

#3c108e · #8e1062

#10628e · #7b108e · #8e3c10

Contrast

#238e10 as textRatioAAAA largeAAAFix
Aaon white
4.24:1failpassfail
  • AA: use #21850f as the text (4.74:1)
  • AAA: use #19650b as the text (7.22:1)
  • AA: or shift the background to #0f0f0f (4.52:1)
Aaon black
4.95:1passpassfail
  • AAA: use #2bae13 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #238e10 as the background.

Brands using this color

mcpConnect your agent — build around #238e10
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 #238e10 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/238e10-a3bea2-834edf-1f2d23-eef1e9?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