Color

#307b04

#307b04
hex#307b04
rgbrgb(48, 123, 4)
hslhsl(98, 94%, 25%)
oklchoklch(0.515 0.158 138.2)
Closest name: green (#008000)Relative luminance 0.148

Colors that go with #307b04

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 →

#50047c

#6c7c04 · #047c14

#04307c · #7c0430

Split-complementary

Open in tool →

#14047c · #7c046c

#046c7c · #50047c · #7c1404

Contrast

#307b04 as textRatioAAAA largeAAAFix
Aaon white
5.3:1passpassfail
  • AAA: use #266303 as the text (7.32:1)
Aaon black
3.96:1failpassfail
  • AA: use #348604 as the text (4.56:1)
  • AAA: use #43ad05 as the text (7.22:1)
  • AA: or shift the background to #ededed (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #307b04 as the background.

Brands using this color

Fonts for this mood

#307b04 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #307b04
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 #307b04 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/307b04-a9bea2-644edf-1f2d20-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