Color

#123f23

#123f23
hex#123f23
rgbrgb(18, 63, 35)
hslhsl(143, 56%, 16%)
oklchoklch(0.328 0.07 152.8)
Closest name: Queen of Trees (#1c401f)Relative luminance 0.038

Colors that go with #123f23

Royal Blue, Teal and Amber 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 →

#40122e

#174012 · #12403a

#231240 · #402312

Split-complementary

Open in tool →

#3a1240 · #401217

#121740 · #40122e · #403a12

Contrast

#123f23 as textRatioAAAA largeAAAFix
Aaon white
11.93:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #26874b as the text (4.65:1)
  • AAA: use #30ab5f as the text (7.12:1)
  • AA: or shift the background to #a1a1a1 (4.62:1)
  • AAA: or shift the background to #c7c7c7 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #123f23 as the background.

Brands using this color

Fonts for this mood

#123f23 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #123f23
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 #123f23 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/123f23-a2beb0-c859d4-1f2d2b-eaf1e9?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