Color

#23905b

#23905b
hex#23905b
rgbrgb(35, 144, 91)
hslhsl(151, 61%, 35%)
oklchoklch(0.58 0.126 156.8)
Closest name: seagreen (#2e8b57)Relative luminance 0.2106

Colors that go with #23905b

Charcoal, Crimson and Medium Violet Red 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 →

#902357

#239025 · #238e90

#5b2390 · #905b23

Split-complementary

Open in tool →

#90238e · #902523

#252390 · #902357 · #8e9023

Contrast

#23905b as textRatioAAAA largeAAAFix
Aaon white
4.03:1failpassfail
  • AA: use #218756 as the text (4.5:1)
  • AAA: use #18633e as the text (7.26:1)
  • AA: or shift the background to #141414 (4.57:1)
Aaon black
5.21:1passpassfail
  • AAA: use #2aac6d as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #23905b 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 #23905b
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 #23905b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/23905b-a2beb4-d459d0-1f2d2c-e9f1ea?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