Color

#3e8a15

#3e8a15
hex#3e8a15
rgbrgb(62, 138, 21)
hslhsl(99, 74%, 31%)
oklchoklch(0.563 0.163 137.7)
Closest name: Forest Green (#228b22)Relative luminance 0.1926

Colors that go with #3e8a15

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 →

#61158a

#788a15 · #158a26

#153e8a · #8a153e

Split-complementary

Open in tool →

#26158a · #8a1578

#15788a · #61158a · #8a2615

Contrast

#3e8a15 as textRatioAAAA largeAAAFix
Aaon white
4.33:1failpassfail
  • AA: use #3c8514 as the text (4.61:1)
  • AAA: use #2c620f as the text (7.34:1)
  • AA: or shift the background to #0a0a0a (4.57:1)
Aaon black
4.85:1passpassfail
  • AAA: use #4dad1a as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e8a15 as the background.

Brands using this color

mcpConnect your agent — build around #3e8a15
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 #3e8a15 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e8a15-a8bea2-664edf-1f2d21-f0f1e9?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