Color

#307b23

#307b23
hex#307b23
rgbrgb(48, 123, 35)
hslhsl(111, 56%, 31%)
oklchoklch(0.517 0.143 140.9)
Closest name: Forestial (#007733)Relative luminance 0.1492

Colors that go with #307b23

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 →

#6e237b

#5c7b23 · #237b42

#23307b · #7b2330

Split-complementary

Open in tool →

#42237b · #7b235c

#235c7b · #6e237b · #7b4223

Contrast

#307b23 as textRatioAAAA largeAAAFix
Aaon white
5.27:1passpassfail
  • AAA: use #27631c as the text (7.27:1)
Aaon black
3.98:1failpassfail
  • AA: use #358726 as the text (4.64:1)
  • AAA: use #43ab30 as the text (7.11:1)
  • AA: or shift the background to #ededed (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #307b23 as the background.

Brands using this color

mcpConnect your agent — build around #307b23
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 #307b23 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/307b23-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