Color

#308b2d

#308b2d
hex#308b2d
rgbrgb(48, 139, 45)
hslhsl(118, 51%, 36%)
oklchoklch(0.563 0.156 142.7)
Closest name: Forest Green (#228b22)Relative luminance 0.1928

Colors that go with #308b2d

Charcoal, Crimson and Royal 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 →

#872d8b

#5f8b2d · #2d8b59

#2d308b · #8b2d30

Split-complementary

Open in tool →

#592d8b · #8b2d5f

#2d5f8b · #872d8b · #8b592d

Contrast

#308b2d as textRatioAAAA largeAAAFix
Aaon white
4.32:1failpassfail
  • AA: use #2f872c as the text (4.54:1)
  • AAA: use #236420 as the text (7.2:1)
  • AA: or shift the background to #0a0a0a (4.58:1)
Aaon black
4.86:1passpassfail
  • AAA: use #3cad38 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 #308b2d 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 #308b2d
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 #308b2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/308b2d-a2bea4-944edf-1f2d25-edf1e9?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