Color

#307a15

#307a15
hex#307a15
rgbrgb(48, 122, 21)
hslhsl(104, 71%, 28%)
oklchoklch(0.513 0.15 139.2)
Closest name: green (#008000)Relative luminance 0.146

Colors that go with #307a15

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 →

#5f157a

#627a15 · #157a2c

#15307a · #7a1530

Split-complementary

Open in tool →

#2c157a · #7a1562

#15627a · #5f157a · #7a2c15

Contrast

#307a15 as textRatioAAAA largeAAAFix
Aaon white
5.36:1passpassfail
  • AAA: use #276411 as the text (7.2:1)
Aaon black
3.92:1failpassfail
  • AA: use #358717 as the text (4.63:1)
  • AAA: use #44ae1e as the text (7.32:1)
  • AA: or shift the background to #ededed (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #307a15 as the background.

Brands using this color

Fonts for this mood

#307a15 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #307a15
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 #307a15 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/307a15-a6bea2-724edf-1f2d22-eff1e9?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